Clean up codebase and improve file loading

- Moved plugins to proper sub groups (autopairs, code_minimap, colorize, commentzar, info_bar, markdown_preview, prettify_json, search_replace, tabs_bar, telescope, toggle_source_view, lsp_client)
- Add filter_out_loaded_files to prevent opening already-loaded files
- Add INDEPENDENT source view state
- Fix cursor scroll position on buffer switch
- Fix signal blocking during file load
- Fix word boundary in completion provider
- Refactor code events into single events module

plugins/code/ui/telescope/telescope.py

@@ -0,0 +1,105 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+from gi.repository import GLib
+
+# Application imports
+from .list_box import ListBox
+from .search_entry import SearchEntry
+
+
+
+class Telescope(Gtk.Dialog):
+    def __init__(self):
+        super(Telescope, self).__init__()
+
+        self.source_view = None
+
+        self._setup_styling()
+        self._setup_signals()
+        self._subscribe_to_events()
+        self._load_widgets()
+
+
+    def _setup_styling(self):
+        self.set_modal(False)
+        self.set_decorated(False)
+        self.set_vexpand(True)
+        self.set_hexpand(True)
+
+    def _setup_signals(self):
+        self.connect("focus-out-event", self._focus_out_event)
+        self.connect("show", self._show)
+
+    def _subscribe_to_events(self):
+        ...
+
+    def _load_widgets(self):
+        content_area      = self.get_content_area()
+        self.main_box     = Gtk.Box()
+        left_box          = Gtk.Box()
+
+        self.list_box     = ListBox()
+        self.list_box.set_buffer  = self.set_buffer
+
+        self.search_entry = SearchEntry()
+
+        self.search_entry.hide                    = self._focus_out_event
+        self.search_entry.search_changed          = self.list_box.search_changed
+        self.search_entry.activate_row            = self.list_box.activate_row
+        self.search_entry.move_row_selection_up   = self.list_box.move_row_selection_up
+        self.search_entry.move_row_selection_down = self.list_box.move_row_selection_down
+
+        self.main_box.set_orientation(Gtk.Orientation.HORIZONTAL)
+        left_box.set_orientation(Gtk.Orientation.VERTICAL)
+
+        left_box.add(self.list_box)
+        left_box.add(self.search_entry)
+        self.main_box.pack_start(left_box, False, False, 0)
+
+        content_area.add(self.main_box)
+        content_area.show_all()
+
+    def _focus_out_event(self, widget = None, event = None):
+        self.hide()
+
+    def _show(self, widget):
+        GLib.idle_add(self.search_entry.grab_focus)
+
+    def _map_resize(self, widget, parent):
+        parent_x, parent_y = parent.get_position()
+        parent_width, parent_height = parent.get_size()
+        if parent_width == 0 or parent_height == 0: return
+
+        width  = int(parent_width  * 0.75)
+        height = int(parent_height * 0.75)
+
+        widget.resize(width, height)
+
+        x = parent_x + (parent_width - width)   // 2
+        y = parent_y + (parent_height - height) // 2
+        widget.move(x, y)
+
+    def set_emit(self, emit):
+        self.list_box.emit = emit
+
+    def set_active_row(self, buffer):
+        self.list_box.set_active_row(buffer)
+
+    def set_buffer(self, buffer):
+        self.source_view.set_buffer(buffer)
+
+    def map_parent_resize_event(self, parent):
+        parent.connect("size-allocate", lambda w, r: self._map_resize(self, parent))
+
+    def set_source_view(self, source_view):
+        scrolled_win     = Gtk.ScrolledWindow()
+        self.source_view = source_view
+
+        scrolled_win.add(self.source_view)
+        self.main_box.pack_end(scrolled_win, True, True, 0)
+
+        scrolled_win.show_all()