Major completion provider overhaul; pluigin load and pattern improvements; css overhaul/cleanup; source view state modes added

plugins/README.txt

@@ -10,22 +10,22 @@ class Manifest:
     author: str   = "John Doe"
     version: str  = "0.0.1"
     support: str  = ""
+    pre_launch: bool = False
     requests: {}  = {
         'pass_ui_objects': ["plugin_control_list"],
-        'pass_events': "true",
+        'pass_events': True,
         'bind_keys': []
     }
-    pre_launch: bool = False
 ```
 
 
 ### Requests
 ```
 requests: {}  = {
-    'pass_events': "true",                                # If empty or not present will be ignored.
-    "pass_ui_objects": [""],                              # Request reference to a UI component. Will be passed back as array to plugin.
+    'pass_events': true,                                # If empty or not present will be ignored.
+    "pass_ui_objects": [""],                            # Request reference to a UI component. Will be passed back as array to plugin.
     'bind_keys': [f"{name}||send_message:<Control>f"],
-                  f"{name}||do_save:<Control>s"]          # Bind keys with method and key pare using list. Must pass "name" like shown with delimiter to its right.
+                  f"{name}||do_save:<Control>s"]        # Bind keys with method and key pare using list. Must pass "name" like shown with delimiter to its right.
 
 }
 ```

plugins/template/manifest.json

@@ -1,13 +1,9 @@
 {
-    "manifest": {
-        "name": "Example Plugin",
-        "author": "John Doe",
-        "version": "0.0.1",
-        "support": "",
-        "requests": {
-            "ui_target": "plugin_control_list",
-            "pass_events": "true",
-            "bind_keys": ["Example Plugin||send_message:<Control>f"]
-        }
+    "name": "Example Plugin",
+    "author": "John Doe",
+    "version": "0.0.1",
+    "support": "",
+    "requests": {
+        "bind_keys": ["Example Plugin||send_message:<Control>f"]
     }
 }

plugins/template/plugin.py

@@ -1,8 +1,4 @@
 # Python imports
-import os
-import threading
-import subprocess
-import time
 
 # Lib imports
 import gi
@@ -10,42 +6,36 @@ gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
 # Application imports
+from libs.dto.base_event import BaseEvent
+
 from plugins.plugin_base import PluginBase
 
 
 
-
-# NOTE: Threads WILL NOT die with parent's destruction.
-def threaded(fn):
-    def wrapper(*args, **kwargs):
-        threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
-    return wrapper
-
-# NOTE: Threads WILL die with parent's destruction.
-def daemon_threaded(fn):
-    def wrapper(*args, **kwargs):
-        threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
-    return wrapper
-
-
-
-
 class Plugin(PluginBase):
     def __init__(self):
-        super().__init__()
-
-        self.name               = "Example Plugin"  # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
-                                                    #       where self.name should not be needed for message comms
+        super(Plugin, self).__init__()
 
 
-    def generate_reference_ui_element(self):
-        button = Gtk.Button(label=self.name)
-        button.connect("button-release-event", self.send_message)
-        return button
+    def _controller_message(self, event: BaseEvent):
+        ...
+
+    def load(self):
+        ui_element = self.requests_ui_element("plugin_control_list")
+        ui_element.add( self.generate_plugin_element() )
 
     def run(self):
         ...
+ 
+    def generate_plugin_element(self):
+        button = Gtk.Button(label = self.name)
 
-    def send_message(self, widget=None, eve=None):
+        button.connect("button-release-event", self.send_message)
+        button.show()
+
+        return button
+
+    def send_message(self, widget = None, eve = None):
         message = "Hello, World!"
-        event_system.emit("display_message", ("warning", message, None))
+        self.emit("display_message", ("warning", message, None))
+ 

pyrightconfig.json

@@ -5,7 +5,7 @@
     "reportDuplicateImport": true,
     "executionEnvironments": [
         {
-            "root": "./src/versions/solarfm-0.0.1/solarfm"
+            "root": "./src/"
         }
     ],
     "venvPath": ".",

src/__builtins__.py

@@ -9,10 +9,10 @@ import sys
 # 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
+from libs.widget_registery import WidgetRegisteryController
 
 
 
@@ -34,12 +34,8 @@ def daemon_threaded_wrapper(fn):
 
 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
@@ -51,17 +47,16 @@ builtins.APP_NAME          = "<change_me>"
 
 builtins.keybindings       = Keybindings()
 builtins.event_system      = EventSystem()
-builtins.endpoint_registry = EndpointRegistry()
 builtins.settings_manager  = SettingsManager()
+builtins.widget_registery  = WidgetRegisteryController()
 # builtins.db                = DB()
 
 settings_manager.load_settings()
 
-builtins.settings          = settings_manager.settings
 builtins.logger            = Logger(
-                                settings_manager.get_home_config_path(), \
-                                _ch_log_lvl = settings.debugging.ch_log_lvl, \
-                                _fh_log_lvl = settings.debugging.fh_log_lvl
+                                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

src/app.py

@@ -23,13 +23,14 @@ class Application:
     def __init__(self):
         super(Application, self).__init__()
 
-        if not settings_manager.is_trace_debug():
-            self.load_ipc()
-
         self.setup_debug_hook()
 
 
     def run(self):
+        if not settings_manager.is_trace_debug():
+            if not self.load_ipc():
+                return
+
         win = Window()
         win.start()
 
@@ -39,22 +40,30 @@ class Application:
         ipc_server  = IPCServer()
 
         self.ipc_realization_check(ipc_server)
-        if not ipc_server.is_ipc_alive:
-            for arg in unknownargs + [args.new_tab,]:
-                if os.path.isfile(arg):
-                    message = f"FILE|{arg}"
-                    ipc_server.send_ipc_message(message)
+        if ipc_server.is_ipc_alive:
+            return True
 
-            raise AppLaunchException(f"{APP_NAME} IPC Server Exists: Have sent path(s) to it and closing...")
+        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:
+        except (OSError, PermissionError) as e:
+            logger.info(f"IPC listener creation failed: {e}, falling back to test message")
+            ipc_server.send_test_ipc_message()
+        except Exception as e:
+            logger.error(f"Unexpected IPC setup error: {e}")
             ipc_server.send_test_ipc_message()
-
-        with suppress(Exception):
-            ipc_server.create_ipc_listener()
 
     def setup_debug_hook(self):
         # Typically: ValueError: signal only works in main thread

src/core/builder_wrapper.py

@@ -1,33 +0,0 @@
-# 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

@@ -16,8 +16,6 @@ class BaseContainer(Gtk.Box):
     def __init__(self):
         super(BaseContainer, self).__init__()
 
-        self.ctx = self.get_style_context()
-
         self._setup_styling()
         self._setup_signals()
         self._subscribe_to_events()
@@ -27,9 +25,11 @@ class BaseContainer(Gtk.Box):
 
 
     def _setup_styling(self):
-        self.set_orientation(Gtk.Orientation.VERTICAL)
+        self.ctx = self.get_style_context()
         self.ctx.add_class("base-container")
 
+        self.set_orientation(Gtk.Orientation.VERTICAL)
+
     def _setup_signals(self):
         ...
 
@@ -38,12 +38,12 @@ class BaseContainer(Gtk.Box):
         event_system.subscribe("remove-transparency", self._remove_transparency)
 
     def _load_widgets(self):
-        self.add(HeaderContainer())
-        self.add(BodyContainer())
-        self.add(FooterContainer())
+        self.add( HeaderContainer() )
+        self.add( BodyContainer() )
+        self.add( FooterContainer() )
 
     def _update_transparency(self):
-        self.ctx.add_class(f"mw_transparency_{settings.theming.transparency}")
+        self.ctx.add_class(f"mw_transparency_{settings_manager.settings.theming.transparency}")
 
     def _remove_transparency(self):
-        self.ctx.remove_class(f"mw_transparency_{settings.theming.transparency}")
+        self.ctx.remove_class(f"mw_transparency_{settings_manager.settings.theming.transparency}")

src/core/containers/body_container.py

@@ -16,8 +16,6 @@ class BodyContainer(Gtk.Box):
     def __init__(self):
         super(BodyContainer, self).__init__()
 
-        self.ctx = self.get_style_context()
-
         self._setup_styling()
         self._setup_signals()
         self._subscribe_to_events()
@@ -27,8 +25,10 @@ class BodyContainer(Gtk.Box):
 
 
     def _setup_styling(self):
-        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+        self.ctx = self.get_style_context()
         self.ctx.add_class("body-container")
+
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
         self.set_homogeneous(True)
 
     def _setup_signals(self):
@@ -37,8 +37,7 @@ class BodyContainer(Gtk.Box):
     def _subscribe_to_events(self):
         ...
 
-
     def _load_widgets(self):
-        self.add(LeftContainer())
-        self.add(CenterContainer())
-        self.add(RightContainer())
+        self.add( LeftContainer() )
+        self.add( CenterContainer() )
+        self.add( RightContainer() )

src/core/containers/center_container.py

@@ -14,7 +14,6 @@ class CenterContainer(Gtk.Box):
     def __init__(self):
         super(CenterContainer, self).__init__()
 
-        self._builder = settings_manager.get_builder()
 
         self._setup_styling()
         self._setup_signals()
@@ -25,14 +24,13 @@ class CenterContainer(Gtk.Box):
 
 
     def _setup_styling(self):
-        self.set_orientation(Gtk.Orientation.VERTICAL)
+        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)
 
-        ctx = self.get_style_context()
-        ctx.add_class("center-container")
-
     def _setup_signals(self):
         ...
 
@@ -40,8 +38,8 @@ class CenterContainer(Gtk.Box):
         ...
 
     def _load_widgets(self):
-        glade_box = self._builder.get_object("glade_box")
-        button   = Gtk.Button(label = "Click Me!")
+        glade_box = widget_registery.get_object("glade_box")
+        button    = Gtk.Button(label = "Click Me!")
 
         button.connect("clicked", self._hello_world)
 

src/core/containers/code/__init__.py

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

src/core/containers/code/code_container.py

@@ -0,0 +1,64 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from ...widgets.code.code_base import CodeBase
+
+from ...widgets.separator_widget import Separator
+from ...widgets.code.mini_view_widget import MiniViewWidget
+
+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):
+        code_base = CodeBase()
+
+        self.add( self._create_tabs_widgets(code_base) )
+        self.add( self._create_editor_widget(code_base) )
+
+    def _create_tabs_widgets(self, code_base: CodeBase):
+        scrolled_window = Gtk.ScrolledWindow()
+        viewport        = Gtk.Viewport()
+
+        scrolled_window.set_overlay_scrolling(False)
+
+        viewport.add( code_base.get_tabs_widget() )
+        scrolled_window.add( viewport )
+
+        return scrolled_window
+
+    def _create_editor_widget(self, code_base: CodeBase):
+        editors_container = Gtk.Box()
+
+        editors_container.add( Separator("separator_left") )
+        editors_container.add( EditorsContainer(code_base) )
+        editors_container.add( Separator("separator_right") )
+        editors_container.add( code_base.get_mini_view_widget() )
+
+        return editors_container

src/core/containers/code/editors_container.py

@@ -0,0 +1,71 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import GLib
+
+# Application imports
+
+
+
+class EditorsContainer(Gtk.Paned):
+    def __init__(self, code_base: any):
+        super(EditorsContainer, self).__init__()
+
+        self.code_base = code_base
+
+        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_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):
+        self.scrolled_win1, \
+        self.scrolled_win2 = self._create_views()
+
+        self.pack1( self.scrolled_win1, True, True )
+        self.pack2( self.scrolled_win2, True, True )
+
+    def _create_views(self):
+        scrolled_win1 = Gtk.ScrolledWindow()
+        scrolled_win2 = Gtk.ScrolledWindow()
+
+        source_view1  = self.code_base.create_source_view()
+        source_view2  = self.code_base.create_source_view()
+
+        source_view1.sibling_right = source_view2
+        source_view2.sibling_left  = source_view1
+
+        scrolled_win1.add( source_view1 )
+        scrolled_win2.add( source_view2 )
+
+        return scrolled_win1, scrolled_win2
+
+    def _init_map(self, view):
+        def _first_show_init():
+            self.disconnect(self.map_id)
+            del self.map_id
+
+            self.code_base.first_map_load()
+
+            del self.code_base
+            return False
+
+        GLib.timeout_add(100, _first_show_init)

src/core/containers/footer_container.py

@@ -6,6 +6,7 @@ gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
 # Application imports
+from .code.code_container import CodeContainer
 
 
 
@@ -13,8 +14,6 @@ class FooterContainer(Gtk.Box):
     def __init__(self):
         super(FooterContainer, self).__init__()
 
-        self.ctx = self.get_style_context()
-
         self._setup_styling()
         self._setup_signals()
         self._subscribe_to_events()
@@ -24,18 +23,17 @@ class FooterContainer(Gtk.Box):
 
 
     def _setup_styling(self):
-        self.set_orientation(Gtk.Orientation.HORIZONTAL)
-
-        self.set_hexpand(True)
-
+        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):
-        ...
+        self.add( CodeContainer() )

src/core/containers/header_container.py

@@ -15,8 +15,6 @@ class HeaderContainer(Gtk.Box):
     def __init__(self):
         super(HeaderContainer, self).__init__()
 
-        self.ctx = self.get_style_context()
-
         self._setup_styling()
         self._setup_signals()
         self._subscribe_to_events()
@@ -26,19 +24,18 @@ class HeaderContainer(Gtk.Box):
 
 
     def _setup_styling(self):
-        self.set_orientation(Gtk.Orientation.HORIZONTAL)
-
-        self.set_hexpand(True)
-
+        self.ctx = self.get_style_context()
         self.ctx.add_class("header-container")
 
+        self.set_orientation(Gtk.Orientation.HORIZONTAL)
+        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):
         button = Gtk.Button(label = "Interactive Debug")
         button.connect("clicked", self._interactive_debug)

src/core/containers/left_container.py

@@ -22,13 +22,12 @@ class LeftContainer(Gtk.Box):
 
 
     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)
 
-        ctx = self.get_style_context()
-        ctx.add_class("left-container")
-
     def _setup_signals(self):
         ...
 

src/core/containers/right_container.py

@@ -23,13 +23,12 @@ class RightContainer(Gtk.Box):
 
 
     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)
 
-        ctx = self.get_style_context()
-        ctx.add_class("right-container")
-
     def _setup_signals(self):
         ...
 

src/core/controllers/base_controller.py

@@ -6,33 +6,48 @@ gi.require_version('Gtk', '3.0')
 from gi.repository import Gtk
 
 # Application imports
+from plugins import plugins_controller
+
 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 .base_controller_mixin import BaseControllerMixin
 from .bridge_controller import BridgeController
 
 
 
-class BaseController(IPCSignalsMixin, KeyboardSignalsMixin, BaseControllerData):
+class BaseController(IPCSignalsMixin, KeyboardSignalsMixin, BaseControllerMixin):
     """ docstring for BaseController. """
 
     def __init__(self):
 
         self._setup_controller_data()
+
+        self._load_plugins(is_pre = True)
         self._setup_styling()
         self._setup_signals()
         self._subscribe_to_events()
         self._load_controllers()
-        self._load_plugins_and_files()
+        self._load_plugins(is_pre = False)
+        self._load_files()
 
         logger.info(f"Made it past {self.__class__} loading...")
         settings_manager.set_end_load_time()
         settings_manager.log_load_time()
 
 
+    def _setup_controller_data(self):
+        self.window             = settings_manager.get_main_window()
+        self.base_container     = BaseContainer()
+        self.plugins_controller = plugins_controller
+
+        widget_registery.expose_object("main_window", self.window)
+        settings_manager.register_signals_to_builder([self, self.base_container])
+
+        self._collect_files_dirs()
+
     def _setup_styling(self):
         ...
 
@@ -50,23 +65,22 @@ class BaseController(IPCSignalsMixin, KeyboardSignalsMixin, BaseControllerData):
     def _load_controllers(self):
         BridgeController()
 
-    def _load_plugins_and_files(self):
+    def _load_plugins(self, is_pre: bool):
         args, unknownargs = settings_manager.get_starting_args()
-        if args.no_plugins == "false":
-            self.plugins_controller.pre_launch_plugins()
-            self.plugins_controller.post_launch_plugins()
+        if args.no_plugins == "true": return
 
+        if is_pre:
+            self.plugins_controller.pre_launch_plugins()
+            return
+
+        if not is_pre:
+            self.plugins_controller.post_launch_plugins()
+            return
+
+    def _load_files(self):
         for file in settings_manager.get_starting_files():
             event_system.emit("post-file-to-ipc", file)
 
     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.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_mixin.py

@@ -6,28 +6,11 @@ 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()
-
+class BaseControllerMixin:
+    ''' BaseControllerMixin contains most of the state of the app at ay given time. It also has some support methods. '''
 
     def _collect_files_dirs(self):
         args, \

src/core/widgets/code/__init__.py

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

src/core/widgets/code/code_base.py

@@ -0,0 +1,61 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from plugins import plugins_controller
+
+from libs.controllers.controller_manager import ControllerManager
+
+from .controllers.files_controller import FilesController
+from .controllers.tabs_controller import TabsController
+from .controllers.commands_controller import CommandsController
+from .controllers.completion_controller import CompletionController
+from .controllers.views.source_views_controller import SourceViewsController
+
+from .mini_view_widget import MiniViewWidget
+
+
+
+class CodeBase:
+    def __init__(self):
+        super(CodeBase, self).__init__()
+
+        self.controller_manager: ControllerManager = ControllerManager()
+        self.miniview_widget: MiniViewWidget       = MiniViewWidget()
+
+        self._load_controllers()
+
+
+    def _load_controllers(self):
+        files_controller        = FilesController()
+        tabs_controller         = TabsController()
+        commands_controller     = CommandsController()
+        completion_controller   = CompletionController()
+        source_views_controller = SourceViewsController()
+
+        # self.controller_manager.register_controller("base", self)
+        self.controller_manager.register_controller("files", files_controller)
+        self.controller_manager.register_controller("tabs", tabs_controller)
+        self.controller_manager.register_controller("commands", commands_controller)
+        self.controller_manager.register_controller("completion", completion_controller)
+        self.controller_manager.register_controller("source_views", source_views_controller)
+        self.controller_manager.register_controller("plugins", plugins_controller)
+        self.controller_manager.register_controller("widgets", widget_registery)
+
+    def get_tabs_widget(self):
+        return self.controller_manager["tabs"].get_tabs_widget()
+
+    def get_mini_view_widget(self):
+        return self.miniview_widget
+
+    def create_source_view(self):
+        source_view = self.controller_manager["source_views"].create_source_view()
+        self.controller_manager["completion"].register_completer(
+            source_view.get_completion()
+        )
+
+        return source_view
+
+    def first_map_load(self):
+        self.controller_manager["source_views"].first_map_load()

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

@@ -0,0 +1,5 @@
+"""
+    Code Command System Package
+"""
+
+from .command_system import CommandSystem

src/core/widgets/code/command_system/command_helpers.py

@@ -0,0 +1,27 @@
+# Python imports
+
+# Lib imports
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+def set_language_and_style(view, file):
+    language   = view.language_manager.guess_language(file.fname, None)
+    file.ftype = "buffer" if not language else language
+    file.buffer.set_language(language)
+    file.buffer.set_style_scheme(view.syntax_theme)
+
+    return language
+
+def update_info_bar_if_focused(command_system, view: GtkSource):
+    has_focus = command_system.exec("has_focus")
+    if has_focus:
+        command_system.exec("update_info_bar")
+
+def get_file_and_buffer(view: GtkSource):
+    file   = view.command.get_file(view)
+    buffer = file.buffer
+
+    return file, buffer

src/core/widgets/code/command_system/command_system.py

@@ -0,0 +1,97 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from ..source_view import SourceView
+
+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)
+
+
+    def emit(self, event: Code_Event_Types.CodeEvent):
+        """ Monkey patch 'emit' from command controller... """
+        ...
+
+    def emit_to(self, controller: str, event: Code_Event_Types.CodeEvent):
+        """ Monkey patch 'emit_to' from command controller... """
+        ...
+
+
+    def get_file(self, view: SourceView):
+        event = Event_Factory.create_event(
+            "get_file",
+            view   = view,
+            buffer = view.get_buffer()
+        )
+
+        self.emit_to("files", event)
+
+        return event.response
+
+    def get_swap_file(self, view: SourceView):
+        event = Event_Factory.create_event(
+            "get_swap_file",
+            view   = view,
+            buffer = view.get_buffer()
+        )
+
+        self.emit_to("files", event)
+
+        return event.response
+
+    def new_file(self, view: SourceView):
+        event = Event_Factory.create_event("add_new_file", view = view)
+
+        self.emit_to("files", event)
+
+        return event.response
+
+    def remove_file(self, view: SourceView):
+        event = Event_Factory.create_event(
+            "removed_file",
+            view   = view,
+            buffer = view.get_buffer()
+        )
+
+        self.emit_to("files", event)
+
+        return event.response
+
+    def request_completion(self, view: SourceView):
+        event = Event_Factory.create_event(
+            "request_completion",
+            view   = view,
+            buffer = view.get_buffer()
+        )
+
+        self.emit_to("completion", event)

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

@@ -0,0 +1,16 @@
+"""
+    Code 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/command_system/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("Command: Buffer Redo")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_redo():
+        buffer.redo()

src/core/widgets/code/command_system/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("Command: Buffer Undo")
+
+    buffer       = view.get_buffer()
+    undo_manager = buffer.get_undo_manager()
+
+    if undo_manager.can_undo():
+        buffer.undo()

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

@@ -0,0 +1,20 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..command_helpers import update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Command: Close File")
+    view.command.remove_file(view)
+    update_info_bar_if_focused(view.command, view)

src/core/widgets/code/command_system/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("Command: Cut to Temp Buffer")
+
+    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/command_system/commands/dnd_load_file_to_buffer.py

@@ -0,0 +1,34 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from ..command_helpers import update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View,
+    uri: str
+):
+    logger.debug("Command: DnD Load File To Buffer")
+
+    file   = view.command.get_file(view)
+    buffer = file.buffer
+
+    if not file.ftype == "buffer":
+        file = view.command.new_file(view)
+
+    gfile  = Gio.File.new_for_uri(uri)
+    view.command.exec_with_args(
+        "load_file",
+        (view, gfile, file)
+    )
+
+    update_info_bar_if_focused(view.command, view)

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

@@ -0,0 +1,26 @@
+# 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,
+    uris: list = []
+):
+    logger.debug("Command: DnD Load Files")
+    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/command_system/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("Command: Duplicate Line")
+
+    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/command_system/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("Command: Focus Left Sibling")
+    if not view.sibling_left: return
+    view.sibling_left.grab_focus()

src/core/widgets/code/command_system/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("Command: Focus Right Sibling")
+    if not view.sibling_right: return
+    view.sibling_right.grab_focus()

src/core/widgets/code/command_system/commands/get_current_file.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("Command: Get Current File")
+
+    file = view.command.get_file(view)
+
+    return file

src/core/widgets/code/command_system/commands/get_filetype.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("Command: Get File Type")
+    file = view.command.get_file(view)
+    return file.ftype 

src/core/widgets/code/command_system/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("Command: Get Text")
+
+    buffer = view.get_buffer()
+    start_itr, end_itr = buffer.get_bounds()
+    return buffer.get_text(start_itr, end_itr, True)

src/core/widgets/code/command_system/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("Command: Go-To")
+
+    file    = view.command.get_file(view)
+    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/command_system/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("Command: Has Focus")
+    ctx = view.get_parent().get_style_context()
+    return ctx.has_class("source-view-focused")

src/core/widgets/code/command_system/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("Command: Line Down")
+    view.emit("move-lines", True)

src/core/widgets/code/command_system/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("Command: Line Up")
+    view.emit("move-lines", False)

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

@@ -0,0 +1,28 @@
+# 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
+from ..command_helpers import set_language_and_style
+
+
+
+def execute(
+    view: GtkSource.View,
+    gfile: Gio.File,
+    file: SourceFile = None,
+):
+    logger.debug("Command: Load File")
+    if not file:
+        file = view.command.new_file(view)
+
+    file.load_path(gfile)
+
+    set_language_and_style(view, file)

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

@@ -0,0 +1,40 @@
+# 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,
+):
+    logger.debug("Command: Load Start File(s)")
+
+    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)
+    file   = view.command.get_file(view)
+
+    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/command_system/commands/move_to_left_sibling.py

@@ -0,0 +1,29 @@
+# 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("Command: Move To Left Sibling")
+    if not view.sibling_left: return
+
+    buffer = view.get_buffer()
+    popped_file, next_file = view.command.get_swap_file(view)
+
+    view.sibling_left.set_buffer(buffer)
+    view.sibling_left.grab_focus()
+
+    if next_file:
+        view.set_buffer(next_file.buffer)
+    else:
+        view.command.exec("new_file")

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

@@ -0,0 +1,29 @@
+# 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("Command: Move To Right Sibling")
+    if not view.sibling_right: return
+
+    buffer = view.get_buffer()
+    popped_file, next_file = view.command.get_swap_file(view)
+
+    view.sibling_right.set_buffer(buffer)
+    view.sibling_right.grab_focus()
+
+    if next_file:
+        view.set_buffer(next_file.buffer)
+    else:
+        view.command.exec("new_file")

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

@@ -0,0 +1,27 @@
+# Python imports
+
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..command_helpers import set_language_and_style, update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Command: New File")
+
+    file = view.command.new_file(view)
+    set_language_and_style(view, file)
+
+    view.set_buffer(file.buffer)
+
+    update_info_bar_if_focused(view.command, view)
+    return file

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

@@ -0,0 +1,30 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..command_helpers import update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Command: Open File(s)")
+    gfiles = event_system.emit_and_await("open-files")
+    if not gfiles: return
+
+    file = view.command.get_file(view)
+    if file.ftype == "buffer":
+        gfile = gfiles.pop()
+        view.command.exec_with_args("load_file", (view, gfile, file))
+        view.set_buffer(file.buffer)
+        update_info_bar_if_focused(view.command, view)
+
+    for i, gfile in enumerate(gfiles):
+        view.command.exec_with_args("load_file", (view, gfile))

src/core/widgets/code/command_system/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("Command: Paste Temp Buffer")
+
+    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/command_system/commands/save_file.py

@@ -0,0 +1,28 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..command_helpers import set_language_and_style
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.debug("Command: Save File")
+    file   = view.command.get_file(view)
+    buffer = file.buffer
+
+    if file.ftype == "buffer":
+        file.save_as()
+        set_language_and_style(view, file)
+        return
+
+    file.save()
+

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

@@ -0,0 +1,26 @@
+# Python imports
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ..command_helpers import set_language_and_style, update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View  = None
+):
+    logger.info("Command: Save File As")
+    file   = view.command.get_file(view)
+    buffer = file.buffer
+
+    file.save_as()
+
+    set_language_and_style(view, file)
+
+    update_info_bar_if_focused(view.command, view)

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

@@ -0,0 +1,30 @@
+# Python imports
+
+
+# Lib imports
+import gi
+
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GtkSource
+
+# Application imports
+from ...source_file import SourceFile
+from ..command_helpers import update_info_bar_if_focused
+
+
+
+def execute(
+    view: GtkSource.View,
+    file: SourceFile
+):
+    logger.debug("Command: Set Buffer")
+
+    if not file:
+        view.command.new_file(view)
+        return
+
+    view.set_buffer(file.buffer)
+
+    update_info_bar_if_focused(view.command, view)
+

src/core/widgets/code/command_system/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("Command: Set Buffer Language")
+
+    buffer = view.get_buffer()
+    buffer.set_language(
+        view.language_manager.get_language(language)
+    )

src/core/widgets/code/command_system/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("Command: Set Buffer Style")
+
+    buffer = view.get_buffer()
+    buffer.set_style_scheme(
+        view.style_scheme_manager.get_scheme(style)
+    )

src/core/widgets/code/command_system/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("Command: Set Focus Border")
+    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/command_system/commands/set_miniview.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,
+):
+    logger.debug("Command: Set MiniView")
+    event_system.emit("set-mini-view", (view,))

src/core/widgets/code/command_system/commands/show_completion.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.debug("Command: Show Completion")
+    completer = view.get_completion()
+    providers = completer.get_providers()
+
+    if not providers:
+        view.command.request_completion(view)
+        return
+
+    completer.start(
+        providers,
+        completer.create_context()
+    )

src/core/widgets/code/command_system/commands/update_info_bar.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,
+):
+    logger.debug("Command: Update Info Bar")
+    file   = view.command.get_file(view)
+    buffer = 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/command_system/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("Command: Zoom In")
+
+    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/command_system/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("Command: Zoom Out")
+
+    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_providers/__init__.py

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

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

@@ -0,0 +1,87 @@
+# Python imports
+import re
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GObject
+from gi.repository import Gtk
+from gi.repository import GtkSource
+
+# Application imports
+
+
+
+class ProviderResponseCacheException(Exception):
+    ...
+
+
+
+class ProviderResponseCacheBase:
+    def __init__(self):
+        super(ProviderResponseCacheBase, self).__init__()
+
+        self._icon_theme = Gtk.IconTheme.get_default()
+
+
+    def process_file_load(self, buffer: GtkSource.Buffer):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'process_file_load' not implemented...")
+
+    def process_file_close(self, buffer: GtkSource.Buffer):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'process_file_close' not implemented...")
+
+    def process_file_save(self, buffer: GtkSource.Buffer):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'process_file_save' not implemented...")
+
+    def process_file_change(self, buffer: GtkSource.Buffer):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'process_change' not implemented...")
+
+    def filter(self, word: str):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'filter' not implemented...")
+
+    def filter_with_context(self, context: GtkSource.CompletionContext):
+        raise ProviderResponseCacheException("ProviderResponseCacheBase 'filter_with_context' not implemented...")
+
+
+    def create_completion_item(
+        self,
+        label: str      = "",
+        text: str       = "",
+        info: str       = "",
+        completion: any = None
+    ):
+        if not label or not text: return
+
+        comp_item = GtkSource.CompletionItem.new()
+        comp_item.set_label(label)
+        comp_item.set_text(text)
+
+        if info:
+            comp_item.set_info(info)
+            # comp_item.set_markup(f"<h3>{info}</h3>")
+
+        if completion:
+            comp_item.set_icon(
+                self.get_icon_for_type(completion.type)
+            )
+
+        return comp_item
+
+    def get_word(self, context):
+        start_iter = context.get_iter()
+        end_iter   = None
+
+        if not isinstance(start_iter, Gtk.TextIter):
+            _, start_iter = context.get_iter()
+            end_iter = start_iter.copy()
+
+        if not start_iter.starts_word():
+            start_iter.backward_word_start()
+
+        end_iter.forward_word_end()
+
+        buffer = start_iter.get_buffer()
+
+        return buffer.get_text(start_iter, end_iter, False)

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

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

src/core/widgets/code/controllers/commands_controller.py

@@ -0,0 +1,30 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.controllers.controller_base import ControllerBase
+
+from libs.event_factory import Code_Event_Types
+
+from ..command_system import CommandSystem
+
+
+
+class CommandsController(ControllerBase, list):
+    def __init__(self):
+        super(CommandsController, self).__init__()
+
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+        if isinstance(event, Code_Event_Types.GetCommandSystemEvent):
+            event.response = self.get_command_system()
+
+    def get_command_system(self):
+        command_system         = CommandSystem()
+        command_system.emit    = self.emit
+        command_system.emit_to = self.emit_to
+
+        self.append(command_system)
+
+        return command_system

src/core/widgets/code/controllers/completion_controller.py

@@ -0,0 +1,94 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GLib
+from gi.repository import GtkSource
+
+# Application imports
+from libs.controllers.controller_base import ControllerBase
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+
+
+class CompletionController(ControllerBase):
+    def __init__(self):
+        super(CompletionController, self).__init__()
+
+        self.words_provider = GtkSource.CompletionWords.new("words", None)
+        self.words_provider.props.activation = GtkSource.CompletionActivation.INTERACTIVE
+
+        self._completers: list[GtkSource.Completion]             = []
+        self._providers: dict[str, GtkSource.CompletionProvider] = {}
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+        if isinstance(event, Code_Event_Types.RegisterProviderEvent):
+            self.register_provider(
+                event.provider_name,
+                event.provider,
+                event.language_ids
+            )
+        elif isinstance(event, Code_Event_Types.AddedNewFileEvent):
+            self.provider_process_file_load(event)
+        elif isinstance(event, Code_Event_Types.RemovedFileEvent):
+            self.provider_process_file_close(event)
+        elif isinstance(event, Code_Event_Types.SavedFileEvent):
+            self.provider_process_file_save(event)
+        elif isinstance(event, Code_Event_Types.TextChangedEvent):
+            self.provider_process_file_change(event)
+        # elif isinstance(event, Code_Event_Types.RequestCompletionEvent):
+        #     self.request_unbound_completion( event.view.get_completion() )
+
+
+    def register_completer(self, completer: GtkSource.Completion):
+        self._completers.append(completer)
+
+        completer.add_provider(self.words_provider)
+        for provider in self._providers.values():
+            completer.add_provider(provider)
+
+    def register_provider(
+        self,
+        provider_name: str,
+        provider: GtkSource.CompletionProvider,
+        language_ids: list = []
+    ):
+        self._providers[provider_name] = provider
+
+        for completer in self._completers:
+            completer.add_provider(provider)
+
+    def unregister_provider(self, provider_name: str):
+        provider = self._providers[provider_name]
+        del self._providers[provider_name]
+
+        for completer in self._completers:
+            completer.remove_provider(provider)
+
+    def provider_process_file_load(self, event: Code_Event_Types.AddedNewFileEvent):
+        self.words_provider.register(event.file.buffer)
+
+        for provider in self._providers.values():
+            provider.response_cache.process_file_load(event)
+
+    def provider_process_file_close(self, event: Code_Event_Types.RemovedFileEvent):
+        self.words_provider.unregister(event.file.buffer)
+
+        for provider in self._providers.values():
+            provider.response_cache.process_file_close(event)
+
+    def provider_process_file_save(self, event: Code_Event_Types.SavedFileEvent):
+        for provider in self._providers.values():
+            provider.response_cache.process_file_save(event)
+
+    def provider_process_file_change(self, event: Code_Event_Types.TextChangedEvent):
+        for provider in self._providers.values():
+            provider.response_cache.process_file_change(event)
+
+    def request_unbound_completion(self, completer: GtkSource.Completion):
+        completer.start(
+            [ *self._providers.values() ],
+            completer.create_context()
+        )

src/core/widgets/code/controllers/files_controller.py

@@ -0,0 +1,149 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.controllers.controller_base import ControllerBase
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from ..source_file import SourceFile
+from ..source_buffer import SourceBuffer
+
+
+
+
+class FilesController(ControllerBase, list):
+    def __init__(self):
+        super(FilesController, self).__init__()
+
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+        if isinstance(event, Code_Event_Types.AddNewFileEvent):
+            self.new_file(event)
+        elif isinstance(event, Code_Event_Types.SwapFileEvent):
+            self.swap_file(event)
+        elif isinstance(event, Code_Event_Types.PopFileEvent):
+            self.pop_file(event)
+        elif isinstance(event, Code_Event_Types.RemoveFileEvent):
+            self.remove_file(event)
+        elif isinstance(event, Code_Event_Types.GetFileEvent):
+            self.get_file(event)
+        elif isinstance(event, Code_Event_Types.GetSwapFileEvent):
+            self.get_swap_file(event)
+
+    def get_file(self, event: Code_Event_Types.GetFileEvent):
+        if not event.buffer: return
+
+        for file in self:
+            if not event.buffer == file.buffer: continue
+
+            event.response = file
+
+            return file
+
+    def get_swap_file(self, event: Code_Event_Types.GetSwapFileEvent):
+        if not event.buffer: return
+
+        for i, file in enumerate(self):
+            if not event.buffer == file.buffer: continue
+
+            j              = self.next_index(i)
+            next_file      = self[j]
+            swapped_file   = self[j] if not j == -1 else None
+
+            event.response = [swapped_file, next_file]
+
+            return swapped_file, next_file
+
+    def new_file(self, event: Code_Event_Types.AddNewFileEvent):
+        file           = SourceFile()
+        file.emit      = self.emit
+        file.emit_to   = self.emit_to
+
+        event.response = file
+
+        eve = Event_Factory.create_event(
+            "added_new_file",
+            view = event.view,
+            file = file
+        )
+        self.message(eve)
+
+        self.append(file)
+
+        return file
+
+    def swap_file(self, event: Code_Event_Types.GetSwapFileEvent):
+        if not event.buffer: return
+
+        for i, file in enumerate(self):
+            if not event.buffer == file.buffer: continue
+
+            j              = self.next_index(i)
+            next_file      = self[j]
+            swapped_file   = self[j] if not j == -1 else None
+
+            event.response = [swapped_file, next_file]
+
+            return swapped_file, next_file
+
+    def pop_file(self, event: Code_Event_Types.PopFileEvent):
+        if not event.buffer: return
+
+        for i, file in enumerate(self):
+            if not event.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.response  = [popped_file, next_file]
+
+        eve = Event_Factory.create_event(
+            "popped_file",
+            view      = view,
+            file      = popped_file,
+            next_file = next_file
+        )
+        self.message(eve)
+
+        return popped_file, next_file
+
+    def remove_file(self, event: Code_Event_Types.RemoveFileEvent):
+        if not event.buffer: return
+
+        for i, file in enumerate(self):
+            if not event.buffer == file.buffer: continue
+
+            j                = self.next_index(i)
+            next_file        = self[j] if not j == -1 else None
+
+            event.response   = next_file
+
+            eve = Event_Factory.create_event(
+                "removed_file",
+                view         = event.view,
+                ignore_focus = True,
+                file         = file,
+                next_file    = next_file
+            )
+            self.message(eve)
+
+            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/controllers/tabs_controller.py

@@ -0,0 +1,84 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.controllers.controller_base import ControllerBase
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from ..tabs_widget import TabsWidget
+from ..tab_widget import TabWidget
+
+from ..source_view import SourceView
+
+
+
+class TabsController(ControllerBase):
+    def __init__(self):
+        super(TabsController, self).__init__()
+
+        self.active_view: SourceView = None
+        self.tabs_widget: TabsWidget = TabsWidget()
+
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+        if isinstance(event, Code_Event_Types.FocusedViewEvent):
+            self.active_view = event.view
+        elif isinstance(event, Code_Event_Types.FilePathSetEvent):
+            self.update_tab_label(event)
+        elif isinstance(event, Code_Event_Types.AddedNewFileEvent):
+            self.add_tab(event)
+        elif isinstance(event, Code_Event_Types.PoppedFileEvent):
+            ...
+        elif isinstance(event, Code_Event_Types.RemovedFileEvent):
+            self.remove_tab(event)
+    
+    def get_tabs_widget(self):
+        return self.tabs_widget
+
+    def update_tab_label(self, event: Code_Event_Types.FilePathSetEvent):
+        for tab in self.tabs_widget.get_children():
+            if not event.file == tab.file: continue
+            tab.label.set_label(event.file.fname)
+            break
+
+    def add_tab(self, event: Code_Event_Types.AddedNewFileEvent):
+        def set_active_tab(tab, eve, file):
+            event = Event_Factory.create_event(
+                "set_active_file",
+                buffer = tab.get_parent().file.buffer
+            )
+
+            self.active_view.set_buffer(
+                tab.get_parent().file.buffer
+            )
+
+            self.message(event)
+
+        def close_tab(tab, eve, file):
+            event = Event_Factory.create_event(
+                "remove_file",
+                buffer = tab.get_parent().file.buffer
+            )
+
+            self.message(event)
+
+        tab = TabWidget()
+        tab.file = event.file
+        tab.label.set_label(event.file.fname)
+        tab.set_select_signal(set_active_tab)
+        tab.set_close_signal(close_tab)
+
+        self.tabs_widget.add(tab)
+        tab.show()
+
+    def remove_tab(self, event: Code_Event_Types.RemovedFileEvent):
+        for tab in self.tabs_widget.get_children():
+            if not event.file == tab.file: continue
+
+            tab.clear_signals_and_data()
+            tab.run_dispose()
+            tab.destroy()
+
+            del tab
+            break

src/core/widgets/code/controllers/views/__init__.py

@@ -0,0 +1,10 @@
+"""
+    Code Controllers Package
+"""
+
+from .state_manager import SourceViewStateManager
+from .signal_mapper import SourceViewSignalMapper
+from .source_views_controller import SourceViewsController
+
+# State imports
+from .states import *

src/core/widgets/code/controllers/views/signal_mapper.py

@@ -0,0 +1,63 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from ...source_view import SourceView
+
+
+
+class SourceViewSignalMapper:
+    def __init__(self):
+        self.active_view: SourceView = None
+
+
+    def bind_emit(self, emit: callable):
+        self.emit = emit
+
+    def set_state_manager(self, state_manager):
+        self.state_manager = state_manager
+
+    def connect_signals(self, source_view: SourceView):
+        signal_mappings = self._get_signal_mappings()
+        for signal, handler in signal_mappings.items():
+            source_view.connect(signal, handler)
+
+    def disconnect_signals(self, source_view: SourceView):
+        signal_mappings = self._get_signal_mappings()
+        for signal, handler in signal_mappings.items():
+            source_view.disconnect_by_func(handler)
+
+    def insert_text(self, file, string: str):
+        return self.state_manager.handle_insert_text(self.active_view, file, string)
+
+    def _get_signal_mappings(self):
+        return {
+            "focus-in-event":       self._focus_in_event,
+            "move-cursor":          self._move_cursor,
+            "key-press-event":      self._key_press_event,
+            "key-release-event":    self._key_release_event,
+            "button-press-event":   self._button_press_event,
+            "button-release-event": self._button_release_event
+        }
+
+    def _focus_in_event(self, source_view: SourceView, eve):
+        self.active_view = source_view
+        return self.state_manager.handle_focus_in_event(source_view, eve, self.emit)
+
+    def _move_cursor(self, source_view: SourceView, step, count, extend_selection):
+        return self.state_manager.handle_move_cursor(
+            source_view, step, count, extend_selection, self.emit
+        )
+
+    def _button_press_event(self, source_view: SourceView, eve):
+        return self.state_manager.handle_button_press_event(source_view, eve)
+
+    def _button_release_event(self, source_view: SourceView, eve):
+        return self.state_manager.handle_button_release_event(source_view, eve)
+
+    def _key_press_event(self, source_view: SourceView, eve):
+        return self.state_manager.handle_key_press_event(source_view, eve)
+
+    def _key_release_event(self, source_view: SourceView, eve):
+        return self.state_manager.handle_key_release_event(source_view, eve)

src/core/widgets/code/controllers/views/source_views_controller.py

@@ -0,0 +1,74 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.controllers.controller_base import ControllerBase
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from ...source_view import SourceView
+
+from .state_manager import SourceViewStateManager
+from .signal_mapper import SourceViewSignalMapper
+
+
+
+class SourceViewsController(ControllerBase, list):
+    def __init__(self):
+        super(SourceViewsController, self).__init__()
+
+        self.state_manager: SourceViewStateManager = SourceViewStateManager()
+        self.signal_mapper: SourceViewSignalMapper = SourceViewSignalMapper()
+
+        self.signal_mapper.bind_emit(self.emit)
+        self.signal_mapper.set_state_manager(self.state_manager)
+
+
+    def _controller_message(self, event: Code_Event_Types.CodeEvent):
+        if isinstance(event, Code_Event_Types.RemovedFileEvent):
+            self._remove_file(event)
+
+        if not self.signal_mapper.active_view: return
+
+        if isinstance(event, Code_Event_Types.TextChangedEvent):
+            if not self.signal_mapper.active_view: return
+            self.signal_mapper.active_view.command.exec("update_info_bar")
+        elif isinstance(event, Code_Event_Types.TextChangedEvent):
+            self.signal_mapper.active_view.command.exec("update_info_bar")
+        elif isinstance(event, Code_Event_Types.TextInsertedEvent):
+            self.signal_mapper.insert_text(event.file, event.text)
+
+    def _get_command_system(self):
+        event   = Event_Factory.create_event("get_command_system")
+        self.message_to("commands", event)
+        command = event.response
+
+        del event
+        return command
+
+    def _remove_file(self, event: Code_Event_Types.RemovedFileEvent):
+        for source_view in self:
+            if not event.file.buffer == source_view.get_buffer(): continue
+            if not event.next_file:
+                source_view.command.exec("new_file")
+                continue
+
+            source_view.set_buffer(event.next_file.buffer)
+
+    def create_source_view(self):
+        source_view: SourceView = SourceView()
+        source_view.command     = self._get_command_system()
+        source_view.command.set_data(source_view)
+
+        self.signal_mapper.connect_signals(source_view)
+
+        self.append(source_view)
+        return source_view
+
+    def first_map_load(self):
+        for source_view in self:
+            source_view.command.exec("new_file")
+
+        source_view = self[0]
+        source_view.grab_focus()
+        source_view.command.exec("load_start_files")

src/core/widgets/code/controllers/views/state_manager.py

@@ -0,0 +1,65 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.dto.states import SourceViewStates
+
+from ...key_mapper import KeyMapper
+
+from .states import *
+
+
+class SourceViewStateManager:
+    def __init__(self):
+        self.key_mapper: KeyMapper = KeyMapper()
+        
+        self.states: dict = {
+            SourceViewStates.INSERT:      SourceViewsInsertState(),
+            SourceViewStates.MULTIINSERT: SourceViewsMultiInsertState(),
+            SourceViewStates.COMMAND:     SourceViewsCommandState(),
+            SourceViewStates.READONLY:    SourceViewsReadOnlyState()
+        }
+
+
+    def handle_focus_in_event(self, source_view, eve, emit):
+        return self.states[source_view.state].focus_in_event(source_view, eve, emit)
+
+    def handle_insert_text(self, source_view, file, text):
+        return self.states[source_view.state].insert_text(file, text)
+
+    def handle_move_cursor(self, source_view, step, count, extend_selection, emit):
+        return self.states[source_view.state].move_cursor(
+            source_view, step, count, extend_selection, emit
+        )
+
+    def handle_button_press_event(self, source_view, eve):
+        return self.states[source_view.state].button_press_event(source_view, eve)
+
+    def handle_button_release_event(self, source_view, eve):
+        # Handle state transitions (multi-insert toggling)
+        self._handle_multi_insert_toggle(source_view, eve)
+
+        return self.states[source_view.state].button_release_event(source_view, eve)
+
+    def handle_key_press_event(self, source_view, eve):
+        return self.states[source_view.state].key_press_event(
+            source_view, eve, self.key_mapper
+        )
+
+    def handle_key_release_event(self, source_view, eve):
+        return self.states[source_view.state].key_release_event(
+            source_view, eve, self.key_mapper
+        )
+
+    def _handle_multi_insert_toggle(self, source_view, eve):
+        is_control = self.key_mapper.is_control(eve)
+        if is_control and not source_view.state == SourceViewStates.MULTIINSERT:
+            logger.debug("Entered Multi-Insert Mode...")
+            source_view.state = SourceViewStates.MULTIINSERT
+
+        if not is_control and source_view.state == SourceViewStates.MULTIINSERT:
+            logger.debug("Entered Regular Insert Mode...")
+            self.states[source_view.state].clear_markers(source_view)
+
+            source_view.state = SourceViewStates.INSERT

src/core/widgets/code/controllers/views/states/__init__.py

@@ -0,0 +1,8 @@
+"""
+    Code Controllers Views States Package
+"""
+
+from .source_view_insert_state import SourceViewsInsertState
+from .source_view_multi_insert_state import SourceViewsMultiInsertState
+from .source_view_command_state import SourceViewsCommandState
+from .source_view_read_only_state import SourceViewsReadOnlyState

src/core/widgets/code/controllers/views/states/source_view_command_state.py

@@ -0,0 +1,36 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from libs.dto.states import SourceViewStates
+
+
+
+class SourceViewsCommandState:
+    def __init__(self):
+        super(SourceViewsCommandState, self).__init__()
+
+
+    def focus_in_event(self, source_view, eve, emit):
+        return True
+
+    def move_cursor(self, source_view, step, count, extend_selection, emit):
+        return True
+
+    def insert_text(self, file, text):
+        return True
+
+    def button_press_event(self, source_view, eve):
+        return True
+
+    def button_release_event(self, source_view, eve):
+        return True
+
+    def key_press_event(self, source_view, eve, key_mapper):
+        return True
+
+    def key_release_event(self, source_view, eve, key_mapper):
+        return True

src/core/widgets/code/controllers/views/states/source_view_insert_state.py

@@ -0,0 +1,71 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from libs.dto.states import SourceViewStates
+
+
+
+class SourceViewsInsertState:
+    def __init__(self):
+        super(SourceViewsInsertState, self).__init__()
+
+
+    def focus_in_event(self, source_view, eve, emit):
+        source_view.command.exec("set_miniview")
+        source_view.command.exec("set_focus_border")
+        source_view.command.exec("update_info_bar")
+
+        event = Event_Factory.create_event("focused_view", view = source_view)
+        emit(event)
+
+    def insert_text(self, file, text):
+        return True
+
+    def move_cursor(self, source_view, step, count, extend_selection, emit):
+        buffer = source_view.get_buffer()
+        itr    = buffer.get_iter_at_mark( buffer.get_insert() )
+        line   = itr.get_line()
+        char   = itr.get_line_offset()
+        event  = Event_Factory.create_event(
+            "cursor_moved",
+            view   = source_view,
+            buffer = buffer,
+            line   = line,
+            char   = char
+        )
+
+        emit(event)
+
+        source_view.command.exec("update_info_bar")
+
+    def button_press_event(self, source_view, eve):
+        source_view.command.exec("update_info_bar")
+
+    def button_release_event(self, source_view, eve):
+        source_view.command.exec("update_info_bar")
+
+    def key_press_event(self, source_view, eve, key_mapper):
+        command   = key_mapper._key_press_event(eve)
+        is_future = key_mapper._key_release_event(eve)
+
+        if is_future: return True
+        if not command: return False
+
+        source_view.command.exec(command)
+
+        return True
+
+    def key_release_event(self, source_view, eve, key_mapper):
+        command = key_mapper._key_release_event(eve)
+        is_past = key_mapper._key_press_event(eve)
+
+        if is_past: return True
+        if not command: return False
+
+        source_view.command.exec(command)
+
+        return True

src/core/widgets/code/controllers/views/states/source_view_multi_insert_state.py

@@ -0,0 +1,131 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+from libs.dto.states import SourceViewStates, MoveDirection, CursorAction
+
+from ....mixins.source_mark_events_mixin import MarkEventsMixin
+
+
+
+class SourceViewsMultiInsertState(MarkEventsMixin):
+    def __init__(self):
+        super(SourceViewsMultiInsertState, self).__init__()
+
+        self.cursor_action: CursorAction    = 0
+        self.move_direction: MoveDirection  = 0
+        self.insert_markers: list           = []
+
+
+    def focus_in_event(self, source_view, eve, emit):
+        source_view.command.exec("set_miniview")
+        source_view.command.exec("set_focus_border")
+        source_view.command.exec("update_info_bar")
+
+        event = Event_Factory.create_event("focused_view", view = source_view)
+        emit(event)
+
+    def insert_text(self, file, text):
+        if not self.insert_markers: return False
+
+        buffer = file.buffer
+
+        # freeze buffer and insert to each mark (if any)
+        buffer.block_insert_after_signal()
+        buffer.begin_user_action()
+
+        with buffer.freeze_notify(): 
+            for mark in self.insert_markers:
+                itr = buffer.get_iter_at_mark(mark)
+                buffer.insert(itr, text, -1)
+
+        buffer.end_user_action()
+        buffer.unblock_insert_after_signal()
+
+        return True
+
+    def move_cursor(self, source_view, step, count, extend_selection, emit):
+        buffer = source_view.get_buffer()
+
+        self._process_move_direction(buffer)
+        self._signal_cursor_moved(source_view, emit)
+        source_view.command.exec("update_info_bar")
+
+    def button_press_event(self, source_view, eve):
+        source_view.command.exec("update_info_bar")
+        return True
+
+    def button_release_event(self, source_view, eve):
+        buffer      = source_view.get_buffer()
+        insert_iter = buffer.get_iter_at_mark( buffer.get_insert() )
+        data        = source_view.window_to_buffer_coords(
+            Gtk.TextWindowType.TEXT,
+            eve.x,
+            eve.y
+        )
+        is_over_text, \
+        target_iter,  \
+        is_trailing   = source_view.get_iter_at_position(data.buffer_x, data.buffer_y)
+
+        if not is_over_text:
+            # NOTE: Trying to put at very end of line if not over text (aka, clicking right of text)
+            target_iter.forward_visible_line()
+            target_iter.backward_char()
+
+        self._insert_mark(insert_iter, target_iter, buffer)
+
+    def key_press_event(self, source_view, eve, key_mapper):
+        char = key_mapper.get_raw_keyname(eve)
+
+        for action in CursorAction:
+            if not action.name == char.upper(): continue
+            self.cursor_action = action.value
+            self._process_cursor_action(source_view.get_buffer())
+
+            return False
+
+        for direction in MoveDirection:
+            if not direction.name == char.upper(): continue
+            self.move_direction = direction.value
+            return False
+
+        is_future = key_mapper._key_release_event(eve)
+        if is_future: return False
+
+        command = key_mapper._key_press_event(eve)
+        if not command: return False
+
+        source_view.command.exec(command)
+
+        return True
+
+    def key_release_event(self, source_view, eve, key_mapper):
+        command = key_mapper._key_release_event(eve)
+        is_past = key_mapper._key_press_event(eve)
+
+        if is_past: return False
+        if not command: return False
+
+        source_view.command.exec(command)
+
+        return True
+
+    def _signal_cursor_moved(self, source_view, emit):
+        buffer = source_view.get_buffer()
+        itr   = buffer.get_iter_at_mark( buffer.get_insert() )
+        line   = itr.get_line()
+        char   = itr.get_line_offset()
+        event  = Event_Factory.create_event(
+            "cursor_moved",
+            view   = source_view,
+            buffer = buffer,
+            line   = line,
+            char   = char
+        )
+
+        emit(event)

src/core/widgets/code/controllers/views/states/source_view_read_only_state.py

@@ -0,0 +1,36 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from libs.dto.states import SourceViewStates
+
+
+
+class SourceViewsReadOnlyState:
+    def __init__(self):
+        super(SourceViewsReadOnlyState, self).__init__()
+
+
+    def focus_in_event(self, source_view, eve, emit):
+        return True
+
+    def move_cursor(self, source_view, step, count, extend_selection, emit):
+        return True
+
+    def insert_text(self, file, text):
+        return True
+
+    def button_press_event(self, source_view, eve):
+        return True
+
+    def button_release_event(self, source_view, eve):
+        return True
+
+    def key_press_event(self, source_view, eve, key_mapper):
+        return True
+
+    def key_release_event(self, source_view, eve, key_mapper):
+        return True

src/core/widgets/code/info_bar_widget.py

@@ -0,0 +1,100 @@
+# 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 InfoBarWidget(Gtk.Box):
+    """ docstring for InfoBarWidget. """
+
+    def __init__(self):
+        super(InfoBarWidget, 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):
+            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 +1,137 @@
+# 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
+
+    def is_control(self, eve):
+        modifiers  = Gdk.ModifierType(eve.get_state() & ~Gdk.ModifierType.LOCK_MASK)
+        return True if modifiers & Gdk.ModifierType.CONTROL_MASK else False
+
+    def is_shift(self, eve):
+        modifiers  = Gdk.ModifierType(eve.get_state() & ~Gdk.ModifierType.LOCK_MASK)
+        return True if modifiers & Gdk.ModifierType.SHIFT_MASK else False
+
+    def get_raw_keyname(self, eve):
+        return Gdk.keyval_name(eve.keyval)

src/core/widgets/code/mini_view_widget.py

@@ -0,0 +1,39 @@
+# 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):
+        ctx = self.get_style_context()
+        ctx.add_class("mini-view")
+
+        self.set_hexpand(False)
+
+    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_mark_events_mixin.py

@@ -0,0 +1,107 @@
+# Python imports
+import random
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.dto.states import SourceViewStates, MoveDirection, CursorAction
+
+
+
+class MarkEventsMixin:
+    def clear_markers(self, source_view):
+        buffer = source_view.get_buffer()
+
+        for mark in self.insert_markers:
+            mark.set_visible(False)
+            buffer.delete_mark(mark)
+
+        self.insert_markers.clear()
+
+    def _insert_mark(self, insert_iter, target_iter, buffer):
+        mark_found = self._check_for_insert_marks(target_iter, buffer)
+
+        if mark_found: return
+
+        random_bits = random.getrandbits(128)
+        hash        = "%032x" % random_bits
+
+        mark = Gtk.TextMark.new(
+            name = f"multi_insert_{hash}",
+            left_gravity = False
+        )
+
+        buffer.add_mark(mark, target_iter)
+        mark.set_visible(True)
+        self.insert_markers.append(mark)
+
+
+    def _check_for_insert_marks(self, target_iter, buffer):
+        marks = target_iter.get_marks()
+
+        for mark in marks:
+            if mark in self.insert_markers[:]:
+                mark.set_visible(False)
+                self.insert_markers.remove(mark)
+                buffer.delete_mark(mark)
+                return True
+
+        insert_itr = buffer.get_iter_at_mark( buffer.get_insert() )
+        if target_iter.equal(insert_itr): return True
+
+        return False
+
+    def _process_cursor_action(self, buffer):
+        if not self.insert_markers: return
+        if self.cursor_action == CursorAction.NONE.value: return
+
+        action = self.cursor_action
+        for mark in self.insert_markers:
+            itr = buffer.get_iter_at_mark(mark)
+
+            if action == CursorAction.BACKSPACE.value:
+                buffer.backspace(itr, interactive = True, default_editable = True)
+            elif action == CursorAction.DELETE.value:
+                itr.forward_char()
+                buffer.backspace(itr, interactive = True, default_editable = True)
+            elif action == CursorAction.ENTER.value:
+                ...
+
+        self.cursor_action = CursorAction.NONE.value
+
+    def _process_move_direction(self, buffer):
+        if not self.insert_markers: return
+        if self.move_direction == MoveDirection.NONE.value: return
+
+        direction = self.move_direction
+        for mark in self.insert_markers:
+            itr = buffer.get_iter_at_mark(mark)
+
+            if direction == MoveDirection.UP.value:
+                new_line = itr.get_line() - 1
+                new_itr  = buffer.get_iter_at_line_offset(
+                    new_line,
+                    itr.get_line_index()
+                )
+
+            elif direction == MoveDirection.DOWN.value:
+                new_line = itr.get_line() + 1
+                new_itr  = buffer.get_iter_at_line_offset(
+                    new_line,
+                    itr.get_line_index()
+                )
+            elif direction == MoveDirection.LEFT.value:
+                if not itr.backward_char(): break
+                new_itr = itr
+            elif direction == MoveDirection.RIGHT.value:
+                if not itr.forward_char(): break
+                new_itr = itr
+            else:
+                continue
+
+            buffer.move_mark_by_name(mark.get_name(), new_itr)
+
+        self.move_direction = MoveDirection.NONE

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/source_buffer.py

@@ -0,0 +1,61 @@
+# 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,
+        _after_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_after("insert-text", _after_insert_text),
+            self.connect("modified-changed",  _modified_changed)
+        ]
+
+    def block_changed_signal(self):
+        self.handler_block(self._handler_ids[0])
+
+    def block_insert_after_signal(self):
+        self.handler_block(self._handler_ids[3])
+
+    def block_modified_changed_signal(self):
+        self.handler_block(self._handler_ids[4])
+
+    def unblock_changed_signal(self):
+        self.handler_unblock(self._handler_ids[0])
+
+    def unblock_insert_after_signal(self):
+        self.handler_unblock(self._handler_ids[3])
+
+    def unblock_modified_changed_signal(self):
+        self.handler_unblock(self._handler_ids[4])
+
+    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 +1,158 @@
+# 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 GLib
+from gi.repository import GtkSource
+from gi.repository import Gio
+
+# Application imports
+from libs.event_factory import Event_Factory, Code_Event_Types
+
+from .source_buffer import SourceBuffer
+
+
+
+class SourceFile(GtkSource.File):
+    def __init__(self):
+        super(SourceFile, self).__init__()
+
+        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._after_insert_text,
+            self._modified_changed
+        )
+
+    def _changed(self, buffer: SourceBuffer):
+        event = Event_Factory.create_event("text_changed", buffer = buffer)
+        event.file = self
+        self.emit(event)
+
+    def _insert_text(
+        self,
+        buffer: SourceBuffer,
+        location: Gtk.TextIter,
+        text: str, length: int
+    ):
+        ...
+
+    def _after_insert_text(
+        self,
+        buffer: SourceBuffer,
+        location: Gtk.TextIter,
+        text: str, length: int
+    ):
+        event = Event_Factory.create_event(
+            "text_inserted",
+            file     = self,
+            buffer   = self.buffer,
+            location = location,
+            text     = text,
+            length   = length
+        )
+
+        # Note: 'idle_add' needed b/c markers don't get thir positions
+        #       updated relative to the initial insert.
+        #       If not used, seg faults galor during multi insert.
+        GLib.idle_add(self.emit, event)
+
+    def _mark_set(
+        self,
+        buffer: SourceBuffer,
+        location: Gtk.TextIter,
+        mark: Gtk.TextMark
+    ):
+        # event = Event_Factory.create_event(
+        #     "mark_set",
+        #     file = self, buffer = buffer
+        # )
+
+        # self.emit(event)
+        ...
+
+    def _modified_changed(self, buffer: SourceBuffer):
+        event = Event_Factory.create_event(
+            "modified_changed",
+            file = self, buffer = buffer
+        )
+
+        self.emit(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 = Event_Factory.create_event("file_path_set", file = self)
+        self.emit(event)
+
+    def save(self):
+        event = Event_Factory.create_event(
+            "saved_file",
+            file = self, buffer = self.buffer
+        )
+
+        self.emit(event)
+        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):
+        del self.buffer
+
+    def emit(self, event: Code_Event_Types.CodeEvent):
+        ...
+
+    def emit_to(self, controller: str, event: Code_Event_Types.CodeEvent):
+        ...

src/core/widgets/code/source_view.py

@@ -0,0 +1,89 @@
+# 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.dto.states import SourceViewStates
+
+from .mixins.source_view_dnd_mixin import SourceViewDnDMixin
+
+
+
+class SourceView(GtkSource.View, SourceViewDnDMixin):
+    def __init__(self, state: SourceViewStates = SourceViewStates.INSERT):
+        super(SourceView, self).__init__()
+
+        self.state                = state
+
+        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.connect("drag-data-received", self._on_drag_data_received)
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        self.language_manager     = GtkSource.LanguageManager()
+        self.style_scheme_manager = GtkSource.StyleSchemeManager()
+
+        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._set_up_dnd()
+
+    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/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 +1,87 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.event_factory import Code_Event_Types
+
+from .source_view import SourceView
+from .source_file import SourceFile
+
+from .tab_widget import TabWidget
+
+
+
+class TabsWidget(Gtk.ButtonBox):
+    def __init__(self):
+        super(TabsWidget, self).__init__()
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_layout(Gtk.ButtonBoxStyle.CENTER)
+
+    def _setup_signals(self):
+        ...
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        ...
+
+    def add_tab(self, event: Code_Event_Types.CodeEvent):
+        """Add a tab widget for the given file event."""
+        if not hasattr(self, 'tabs'):
+            return
+            
+        tab      = TabWidget()
+        tab.file = event.file
+
+        tab.label.set_label(event.file.fname)
+
+        def select_signal(widget, eve, file):
+            self.code_base.active_view.command.exec_with_args(
+                "set_buffer",
+                (self.code_base.active_view, file)
+            )
+
+        def close_signal(widget, eve, file):
+            self.code_base.files_controller.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: Code_Event_Types.CodeEvent):
+        """Remove a tab widget for the given file event."""
+        if not hasattr(self, 'tabs'):
+            return
+            
+        for child in self.tabs.get_children():
+            if not child.file == event.file: continue
+
+            self.tabs.remove(child)
+            child.clear_signals_and_data()
+            del child
+
+            return
+    
+    def update_tab_label(self, event: Code_Event_Types.CodeEvent):
+        """Update tab label for the given file event."""
+        if not hasattr(self, 'tabs'):
+            return
+            
+        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/controls/open_files_button.py

@@ -35,7 +35,7 @@ class OpenFilesButton(Gtk.Button):
         self.connect("button-release-event", self._open_files)
 
     def _subscribe_to_events(self):
-        event_system.subscribe("open_files", self._open_files)
+        event_system.subscribe("open-files", self._open_files)
 
     def _load_widgets(self):
         ...

src/core/widgets/controls/transparency_scale.py

@@ -38,11 +38,11 @@ class TransparencyScale(Gtk.Scale):
         adjust = self.get_adjustment()
         adjust.set_lower(0)
         adjust.set_upper(100)
-        adjust.set_value(settings.theming.transparency)
+        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.theming.transparency = tp
+        settings_manager.settings.theming.transparency = tp
         event_system.emit("update-transparency")

src/core/widgets/separator_widget.py

@@ -0,0 +1,36 @@
+# 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__()
+
+        if id:
+            widget_registery.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

@@ -12,7 +12,6 @@ from gi.repository import GLib
 from gi.repository import Vte
 
 # Application imports
-from libs.dto.event import Event
 
 
 
@@ -59,27 +58,29 @@ class VteWidget(Vte.Terminal):
         ...
 
     def _do_session_spawn(self):
+        env = [
+            "DISPLAY=:0",
+            "LC_ALL=C",
+            "TERM='xterm-256color'",
+            f"HOME='{settings_manager.path_manager.get_home_path()}'",
+            "XDG_RUNTIME_DIR='/run/user/1000'",
+            f"XAUTHORITY='{settings_manager.path_manager.get_home_path()}/.Xauthority'",
+            "HISTFILE=/dev/null",
+            "HISTSIZE=0",
+            "HISTFILESIZE=0",
+            "PS1=\\h@\\u \\W -->: ",
+        ]
+
         self.spawn_sync(
             Vte.PtyFlags.DEFAULT,
-            settings_manager.get_home_path(),
+            settings_manager.path_manager.get_home_path(),
             ["/bin/bash"],
-            [],
+            env,
             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.get_home_path()}/.Xauthority'\n",
-            f"\nexport HOME='{settings_manager.get_home_path()}'\n",
-            "export PS1='\\h@\\u \\W -->: '\n",
-            "clear\n"
         ]
 
         for i in startup_cmds:
@@ -93,6 +94,9 @@ class VteWidget(Vte.Terminal):
         if not text.encode() == "\r".encode(): return
 
         text, attributes = self.get_text()
+
+        if not text: return
+
         lines            = text.strip().splitlines()
         command_ran      = None
 

src/core/widgets/webkit/webkit_ui.py

@@ -10,7 +10,7 @@ from gi.repository import WebKit2
 
 # Application imports
 from libs.settings.other.webkit_ui_settings import WebkitUISettings
-from libs.dto.event import Event
+from libs.dto.base_event import BaseEvent
 
 
 class WebkitUI(WebKit2.WebView):
@@ -37,13 +37,14 @@ class WebkitUI(WebKit2.WebView):
         self.set_settings( WebkitUISettings() )
 
     def _load_view(self):
-        path = settings_manager.get_context_path()
+        path = settings_manager.path_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}/")
+        # self.load_uri("https://duckduckgo.com/")
 
     def _setup_content_manager(self):
         content_manager = self.get_user_content_manager()
@@ -55,7 +56,7 @@ class WebkitUI(WebKit2.WebView):
         message  = js_value.to_string()
 
         try:
-            event = Event( **json.loads(message) )
+            event = BaseEvent( **json.loads(message) )
             event_system.emit("handle-bridge-event", (event,))
         except Exception as e:
             logger.info(e)

src/core/window.py

@@ -21,7 +21,7 @@ from core.controllers.base_controller import BaseController
 
 
 
-class ControllerStartExceptiom(Exception):
+class ControllerStartException(Exception):
     ...
 
 
@@ -53,7 +53,7 @@ class Window(Gtk.ApplicationWindow):
 
     def _setup_styling(self):
         self.set_title(f"{APP_NAME}")
-        self.set_icon_from_file( settings_manager.get_window_icon() )
+        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)
@@ -62,7 +62,7 @@ class Window(Gtk.ApplicationWindow):
 
         ctx = self.get_style_context()
         ctx.add_class("main-window")
-        ctx.add_class(f"mw_transparency_{settings.theming.transparency}")
+        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)
@@ -96,12 +96,12 @@ class Window(Gtk.ApplicationWindow):
         return 'X11'
 
     def _set_size_constraints(self):
-        _window_x   = settings.config.main_window_x
-        _window_y   = settings.config.main_window_y
-        _min_width  = settings.config.main_window_min_width
-        _min_height = settings.config.main_window_min_height
-        _width      = settings.config.main_window_width
-        _height     = settings.config.main_window_height
+        _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)
@@ -111,16 +111,15 @@ class Window(Gtk.ApplicationWindow):
         screen = self.get_screen()
         visual = screen.get_rgba_visual()
 
-        if visual and screen.is_composited() and settings.config.make_transparent == 0:
+        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()
-        cssProvider.load_from_path( settings_manager.get_css_file() )
-        screen       = Gdk.Screen.get_default()
         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:

src/libs/controllers/__init__.py

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

src/libs/controllers/controller_base.py

@@ -0,0 +1,41 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from ..singleton import Singleton
+
+from ..dto.base_event import BaseEvent
+
+from .emit_dispatcher import EmitDispatcher
+from .controller_context import ControllerContext
+
+
+
+class ControllerBaseException(Exception):
+    ...
+
+
+
+class ControllerBase(Singleton, EmitDispatcher):
+    def __init__(self):
+        super(ControllerBase, self).__init__()
+
+        self.controller_context: ControllerContext = None
+
+
+    def _controller_message(self, event: BaseEvent):
+        raise ControllerBaseException("Controller Base '_controller_message' must be overridden...")
+
+    def set_controller_context(self, controller_context: ControllerContext):
+        self.controller_context = controller_context
+
+    def message(self, event: BaseEvent):
+        return self.controller_context.message(event)
+
+    def message_to(self, name: str, event: BaseEvent):
+        return self.controller_context.message_to(name, event)
+
+    def message_to_selected(self, names: list[str], event: BaseEvent):
+        for name in names:
+            self.controller_context.message_to_selected(name, event)

src/libs/controllers/controller_context.py

@@ -0,0 +1,27 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from ..dto.base_event import BaseEvent
+
+
+
+class ControllerContextException(Exception):
+    ...
+
+
+
+class ControllerContext:
+    def __init__(self):
+        super(ControllerContext, self).__init__()
+
+
+    def message(self, event: BaseEvent):
+        raise ControllerContextException("Controller Context 'message' must be overriden by Controller Manager...")
+
+    def message_to(self, name: str, event: BaseEvent):
+        raise ControllerContextException("Controller Context 'message_to' must be overriden by Controller Manager...")
+
+    def message_to_selected(self, name: list, event: BaseEvent):
+        raise ControllerContextException("Controller Context 'message_to_selected' must be overriden by Controller Manager...")

src/libs/controllers/controller_manager.py

@@ -0,0 +1,50 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from ..singleton import Singleton
+from ..event_factory import Code_Event_Types
+
+from .controller_base import ControllerBase
+from .controller_context import ControllerContext
+
+
+
+class ControllerManagerException(Exception):
+    ...
+
+
+
+class ControllerManager(Singleton, dict):
+    def __init__(self):
+        super(ControllerManager, self).__init__()
+
+
+    def _crete_controller_context(self) -> ControllerContext:
+        controller_context             = ControllerContext()
+        controller_context.message_to  = self.message_to
+        controller_context.message     = self.message
+
+        return controller_context
+
+    def register_controller(self, name: str, controller: ControllerBase):
+        if not name or controller == None:
+            raise ControllerManagerException("Must pass in a 'name' and 'controller'...")
+
+        if name in self.keys():
+            raise ControllerManagerException(f"Can't bind controller to registered name of '{name}'...")
+
+        controller.set_controller_context( self._crete_controller_context() )
+
+        self[name] = controller
+
+    def get_controllers_key_list(self) -> list[str]:
+        return self.keys()
+
+    def message_to(self, name: str, event: Code_Event_Types.CodeEvent):
+        self[name]._controller_message(event)
+
+    def message(self, event: Code_Event_Types.CodeEvent):
+        for key in self.keys():
+            self[key]._controller_message(event)

src/libs/controllers/emit_dispatcher.py

@@ -0,0 +1,19 @@
+# Python imports
+
+# Lib imports
+
+# Application imports
+from ..dto.base_event import BaseEvent
+
+
+
+class EmitDispatcher:
+    def __init__(self):
+        super(EmitDispatcher, self).__init__()
+
+
+    def emit(self, event: BaseEvent):
+        self.message(event)
+
+    def emit_to(self, controller: str, event: BaseEvent):
+        self.message_to(controller, event)

src/libs/db/__init__.py

@@ -1,5 +1,5 @@
 """
-    DB Package
+    Libs DB Package
 """
 
 from .models import User

src/libs/dto/__init__.py

@@ -1,5 +1,5 @@
 """
-    Dasta Class Package
+    Libs DTO(s) Package
 """
 
-from .event import Event
+from .base_event import BaseEvent

src/libs/dto/base_event.py

@@ -0,0 +1,14 @@
+# Python imports
+from dataclasses import dataclass, field
+
+# Lib imports
+
+# Application imports
+
+
+
+@dataclass(slots = True)
+class BaseEvent:
+    topic: str = None
+    content: any = None
+    raw_content: any = None