Added word completion and simplistic custom completion example

src/__builtins__.py

@@ -29,7 +29,7 @@ def daemon_threaded_wrapper(fn):
 
 # NOTE: Just reminding myself we can add to builtins two different ways...
 # __builtins__.update({"event_system": Builtins()})
-builtins.app_name          = "Newton_Editor"
+builtins.app_name          = "Newton"
 builtins.keybindings       = Keybindings()
 builtins.event_system      = EventSystem()
 builtins.endpoint_registry = EndpointRegistry()

src/core/widgets/base/sourceview/custom_completion_providers/__init__.py

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

src/core/widgets/base/sourceview/custom_completion_providers/py_provider.py

@@ -0,0 +1,70 @@
+# Python imports
+import re
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+gi.require_version('GtkSource', '4')
+
+from gi.repository import Gtk
+from gi.repository import GtkSource
+from gi.repository import GObject
+
+# Application imports
+
+
+
+class PythonProvider(GObject.GObject, GtkSource.CompletionProvider):
+    """
+        This is a custom Completion Provider for Python.
+        # NOTE: used information from here --> https://warroom.rsmus.com/do-that-auto-complete/
+    """
+
+    def do_get_name(self):
+        """ Returns: a new string containing the name of the provider. """
+        return 'PythonProvider'
+
+    def do_match(self, context):
+        """ Get whether the provider match the context of completion detailed in context. """
+        # NOTE: True for debugging but context needs to normally get checked for actual usage needs.
+        # TODO: Fix me
+        return True
+
+    def do_populate(self, context):
+        """
+            In this instance, it will do 2 things:
+                1) always provide Hello World! (Not ideal but an option so its in the example)
+                2) Utilizes the Gtk.TextIter from the TextBuffer to determine if there is a jinja
+                    example of '{{ custom.' if so it will provide you with the options of foo and bar.
+            If selected it will insert foo }} or bar }}, completing your syntax...
+
+            PLEASE NOTE the GtkTextIter Logic and regex are really rough and should be adjusted and tuned
+        """
+
+        proposals = [
+            # GtkSource.CompletionItem(label='Hello World!', text = 'Hello World!', icon = None, info = None) # NOTE: Always proposed...
+        ]
+
+        # Gtk Versions differ on get_iter responses... 
+        end_iter = context.get_iter()
+        if not isinstance(end_iter, Gtk.TextIter):
+            _, end_iter = context.get_iter()
+
+        if end_iter:
+            buf = end_iter.get_buffer()
+            mov_iter = end_iter.copy()
+            if mov_iter.backward_search('{{', Gtk.TextSearchFlags.VISIBLE_ONLY):
+                mov_iter, _ = mov_iter.backward_search('{{', Gtk.TextSearchFlags.VISIBLE_ONLY)
+                left_text = buf.get_text(mov_iter, end_iter, True)
+            else:
+                left_text = ''
+
+            if re.match(r'.*\{\{\s*custom\.$', left_text):
+                proposals.append(
+                    GtkSource.CompletionItem(label='foo', text='foo }}')  # optionally proposed based on left search via regex
+                )
+                proposals.append(
+                    GtkSource.CompletionItem(label='bar', text='bar }}')  # optionally proposed based on left search via regex
+                )
+
+        context.add_proposals(self, proposals, True)

src/core/widgets/base/sourceview/source_view.py

@@ -12,6 +12,7 @@ from gi.repository import GtkSource
 
 # Application imports
 from .source_view_events import SourceViewEventsMixin
+from .custom_completion_providers.py_provider import PythonProvider
 
 
 
@@ -33,6 +34,7 @@ class SourceView(SourceViewEventsMixin, GtkSource.View):
         self._current_filename: str  = ""
         self._file_loader            = None
         self._buffer                 = self.get_buffer()
+        self._completion             = self.get_completion()
 
         self._file_filter_text = Gtk.FileFilter()
         self._file_filter_text.set_name("Text Files")
@@ -76,8 +78,13 @@ class SourceView(SourceViewEventsMixin, GtkSource.View):
         self.connect("drag-data-received", self._on_drag_data_received)
         self._buffer.connect("mark-set", self._on_cursor_move)
         self._buffer.connect('changed', self._is_modified)
-        # self.completion.add_provider(srcCompleteonSnippets)
-        # self.completion.add_provider(srcCompleteonWords)
+
+        word_completion = GtkSource.CompletionWords.new("word_completion")
+        word_completion.register(self._buffer)
+        self._completion.add_provider(word_completion)
+
+        py_provider = PythonProvider()
+        self._completion.add_provider(py_provider)
 
     def _subscribe_to_events(self):
         ...
@@ -188,7 +195,7 @@ class SourceView(SourceViewEventsMixin, GtkSource.View):
         if self._current_filename == "":
             dlg.set_current_name("new.txt")
         else:
-            dlg.set_current_folder(self._current_file.get_parent())
+            dlg.set_current_folder(self._current_file.get_parent().get_path())
             dlg.set_current_name(self._current_filename)
 
         response = dlg.run()
@@ -212,7 +219,8 @@ class SourceView(SourceViewEventsMixin, GtkSource.View):
             f.write(text)
             f.close()
 
-            if self._current_filename == "" and save_as:
+            if (self._current_filename == "" and save_as) or \
+                (self._current_filename != "" and not save_as):
                     self.open_file(gfile)
             else:
                 event_system.emit("create_view", (None, None, gfile,))

user_config/bin/newton

@@ -19,11 +19,11 @@ function main() {
 
     # NOTE: Remove if you want to pass file(s) besides directories...
     if [ ! -d "${path}" ]; then
-        echo "Newton Editor: Path given not a directory..."
+        echo "Newton: Path given not a directory..."
         exit 1
     fi
 
     cd "/opt/"
-    python /opt/newton_editor.zip "$@"
+    python /opt/newton.zip "$@"
 }
 main "$@";

user_config/usr/applications/newton.desktop

@@ -1,9 +1,9 @@
 [Desktop Entry]
-Name=Newton Editor
-GenericName=Code IDE
-Comment=General purpose IDE
-Exec=/bin/newton_editor %F
-Icon=/usr/share/newton_editor/icons/newton_editor.png
+Name=Newton
+GenericName=Text editor and mini IDE
+Comment=General purpose text editor and IDE
+Exec=/bin/newton %F
+Icon=/usr/share/newton/icons/newton.png
 Type=Application
 StartupNotify=true
 Categories=GNOME;GTK;Utility;TextEditor;Development;