Moved completers to new dir; improved completers and added word completion

plugins/completers/example_completer/manifest.json

@@ -0,0 +1,7 @@
+{
+    "name": "Example Completer",
+    "author": "John Doe",
+    "version": "0.0.1",
+    "support": "",
+    "requests": {}
+}

plugins/completers/example_completer/plugin.py

@@ -0,0 +1,40 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.dto.base_event import BaseEvent
+from libs.event_factory import Event_Factory
+
+from plugins.plugin_types import PluginCode
+
+from .provider import Provider
+
+
+
+class Plugin(PluginCode):
+    def __init__(self):
+        super(Plugin, self).__init__()
+
+        self.provider: Provider = None
+
+
+    def _controller_message(self, event: BaseEvent):
+        ...
+
+    def load(self):
+        self.provider = Provider()
+
+        event = Event_Factory.create_event(
+            "register_provider",
+            provider_name = "Example Completer",
+            provider      = self.provider,
+            language_ids  = []
+        )
+        self.message_to("completion", event)
+
+    def run(self):
+        ...

plugins/completers/example_completer/provider.py

@@ -0,0 +1,76 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GObject
+from gi.repository import GtkSource
+
+# Application imports
+from .provider_response_cache import ProviderResponseCache
+
+
+
+class Provider(GObject.GObject, GtkSource.CompletionProvider):
+    """
+        This is a custom Completion Example Provider.
+        # NOTE: used information from here --> https://warroom.rsmus.com/do-that-auto-complete/
+    """
+    __gtype_name__ = 'ExampleCompletionProvider'
+
+    def __init__(self):
+        super(Provider, self).__init__()
+
+        self.response_cache: ProviderResponseCache = ProviderResponseCache()
+
+
+    def do_get_name(self):
+        """ Returns: a new string containing the name of the provider. """
+        return 'Example Code Completion'
+
+    def do_match(self, context):
+        # word = context.get_word()
+        # if not word or len(word) < 2: return False
+
+        """ Get whether the provider match the context of completion detailed in context. """
+        word = self.response_cache.get_word(context)
+        if not word or len(word) < 2: return False
+
+        return True
+
+    def do_get_priority(self):
+        """ Determin position in result list along other providor results. """
+        return 5
+
+    def do_activate_proposal(self, proposal, iter_):
+        """ Manually handle actual completion insert or set flags and handle normally. """
+
+        buffer = iter_.get_buffer()
+        # Note: Flag mostly intended for SourceViewsMultiInsertState
+        #       to insure marker processes inserted text correctly.
+        buffer.is_processing_completion = True
+        return False
+
+    def do_get_activation(self):
+        """ The context for when a provider will show results """
+    #     return GtkSource.CompletionActivation.NONE
+    #     return GtkSource.CompletionActivation.USER_REQUESTED
+    #     return GtkSource.CompletionActivation.USER_REQUESTED | GtkSource.CompletionActivation.INTERACTIVE
+        return GtkSource.CompletionActivation.INTERACTIVE
+
+    def do_populate(self, context):
+        results   = self.response_cache.filter_with_context(context)
+        proposals = []
+
+        for entry in results:
+            proposals.append(
+                self.response_cache.create_completion_item(
+                    entry["label"],
+                    entry["text"],
+                    entry["info"]
+                )
+            )
+
+        context.add_proposals(self, proposals, True)
+

plugins/completers/example_completer/provider_response_cache.py

@@ -0,0 +1,109 @@
+# 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 GLib
+from gi.repository import GtkSource
+
+# Application imports
+from libs.event_factory import Code_Event_Types
+
+from core.widgets.code.completion_providers.provider_response_cache_base import ProviderResponseCacheBase
+
+
+
+class ProviderResponseCache(ProviderResponseCacheBase):
+    def __init__(self):
+        super(ProviderResponseCache, self).__init__()
+
+        self.matchers: dict = {
+            "hello": {
+                "label": "Hello, World!",
+                "text": "Hello, World!",
+                "info": GLib.markup_escape_text( "<b>Says the first ever program developers write...</b>" )
+            },
+            "foo": {
+                "label": "foo",
+                "text": "foo }}"
+            },
+            "bar": {
+                "label": "bar",
+                "text": "bar }}"
+            }
+        }
+
+
+    def process_file_load(self, event: Code_Event_Types.AddedNewFileEvent):
+        ...
+
+    def process_file_close(self, event: Code_Event_Types.RemovedFileEvent):
+        ...
+
+    def process_file_save(self, event: Code_Event_Types.SavedFileEvent):
+        ...
+
+    def process_file_change(self, event: Code_Event_Types.TextChangedEvent):
+        ...
+
+    def filter(self, word: str) -> list[dict]:
+        ...
+
+    def filter_with_context(self, context) -> list[dict]:
+        """
+            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: list[dict] = [
+            {
+                "label": self.matchers[ "hello" ]["label"],
+                "text":  self.matchers[ "hello" ]["text"],
+                "info":  self.matchers[ "hello" ]["info"]
+            }
+        ]
+
+        # 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 not end_iter: return
+
+        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):
+            # optionally proposed based on left search via regex
+            proposals.append(
+                {
+                    "label": self.matchers[ "foo" ]["label"],
+                    "text":  self.matchers[ "foo" ]["text"],
+                    "info":  ""
+                }
+            )
+
+            # optionally proposed based on left search via regex
+            proposals.append(
+                {
+                    "label": self.matchers[ "bar" ]["label"],
+                    "text":  self.matchers[ "bar" ]["text"],
+                    "info":  ""
+                }
+            )
+
+        return proposals

plugins/completers/lsp_completer/provider.py

@@ -4,15 +4,15 @@
 import gi
 gi.require_version('GtkSource', '4')
 
-from gi.repository import GtkSource
 from gi.repository import GObject
+from gi.repository import GtkSource
 
 # Application imports
 from .provider_response_cache import ProviderResponseCache
 
 
 
-class Provider(GObject.Object, GtkSource.CompletionProvider):
+class Provider(GObject.GObject, GtkSource.CompletionProvider):
     """
         This code is an LSP code completion plugin for Newton.
         # NOTE: Some code pulled/referenced from here --> https://github.com/isamert/gedi
@@ -20,7 +20,7 @@ class Provider(GObject.Object, GtkSource.CompletionProvider):
     __gtype_name__ = 'LSPProvider'
 
     def __init__(self):
-        GObject.Object.__init__(self)
+        super(Provider, self).__init__()
 
         self.response_cache: ProviderResponseCache = ProviderResponseCache()
 
@@ -31,14 +31,11 @@ class Provider(GObject.Object, GtkSource.CompletionProvider):
     def do_get_name(self):
         return "LSP Code Completion"
 
-    def get_iter_correctly(self, context):
-        return context.get_iter()[1] if isinstance(context.get_iter(), tuple) else context.get_iter()
-
     def do_match(self, context):
         word = self.response_cache.get_word(context)
         if not word or len(word) < 2: return False
 
-        iter = self.get_iter_correctly(context)
+        iter = self.response_cache.get_iter_correctly(context)
         iter.backward_char()
         ch = iter.get_char()
         # NOTE: Look to re-add or apply supprting logic to use spaces
@@ -56,6 +53,13 @@ class Provider(GObject.Object, GtkSource.CompletionProvider):
     def do_get_priority(self):
         return 5
 
+    def do_activate_proposal(self, proposal, iter_):
+        buffer = iter_.get_buffer()
+        # Note: Flag mostly intended for SourceViewsMultiInsertState
+        #       to insure marker processes inserted text correctly.
+        buffer.is_processing_completion = True
+        return False
+
     def do_get_activation(self):
         """ The context for when a provider will show results """
     #     return GtkSource.CompletionActivation.NONE
@@ -63,17 +67,16 @@ class Provider(GObject.Object, GtkSource.CompletionProvider):
     #     return GtkSource.CompletionActivation.INTERACTIVE
 
     def do_populate(self, context):
-        proposals = self.get_completion_filter(context)
+        results   = self.response_cache.filter_with_context(context)
+        proposals = []
+
+        for entry in results:
+            proposals.append(
+                self.response_cache.create_completion_item(
+                    entry["label"],
+                    entry["text"],
+                    entry["info"]
+                )
+            )
 
         context.add_proposals(self, proposals, True)
-
-    def get_completion_filter(self, context):
-        proposals = [
-            self.response_cache.create_completion_item(
-                "LSP Class",
-                "LSP Code",
-                "A test LSP completion item..."
-            )
-        ]
-
-        return proposals

plugins/completers/lsp_completer/provider_response_cache.py

@@ -30,16 +30,16 @@ class ProviderResponseCache(ProviderResponseCacheBase):
     def process_file_change(self, event: Code_Event_Types.TextChangedEvent):
         ...
 
-    def filter(self, word: str):
+    def filter(self, word: str) -> list[dict]:
-        ...
+        return []
 
-    def filter_with_context(self, context: GtkSource.CompletionContext):
+    def filter_with_context(self, context: GtkSource.CompletionContext)  -> list[dict]:
         proposals = [
-            self.create_completion_item(
+            {
-                "LSP Class",
+                "label": "LSP Class",
-                "LSP Code",
+                "text": "LSP Code",
-                "A test LSP completion item..."
+                "info": "A test LSP completion item..."
-            )
+            }
         ]
 
         return proposals

plugins/completers/snippets_completer/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Pligin Module
+"""

plugins/completers/snippets_completer/__main__.py

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

plugins/completers/snippets_completer/provider.py

@@ -3,11 +3,9 @@ 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
@@ -23,7 +21,7 @@ class Provider(GObject.GObject, GtkSource.CompletionProvider):
     __gtype_name__ = 'SnippetsCompletionProvider'
 
     def __init__(self):
-        GObject.Object.__init__(self)
+        super(Provider, self).__init__()
 
         self.response_cache: ProviderResponseCache = ProviderResponseCache()
 
@@ -40,6 +38,13 @@ class Provider(GObject.GObject, GtkSource.CompletionProvider):
     def do_get_priority(self):
         return 2
 
+    def do_activate_proposal(self, proposal, iter_):
+        buffer = iter_.get_buffer()
+        # Note: Flag mostly intended for SourceViewsMultiInsertState
+        #       to insure marker processes inserted text correctly.
+        buffer.is_processing_completion = True
+        return False
+
     def do_get_activation(self):
         """ The context for when a provider will show results """
         # return GtkSource.CompletionActivation.NONE

plugins/completers/snippets_completer/provider_response_cache.py

@@ -52,8 +52,8 @@ class ProviderResponseCache(ProviderResponseCacheBase):
     def process_file_change(self, event: Code_Event_Types.TextChangedEvent):
         ...
 
-    def filter(self, word: str):
+    def filter(self, word: str) -> list[dict]:
-        response: list = []
+        response: list[dict] = []
 
         for entry in self.matchers:
             if not word in entry: continue
@@ -61,3 +61,8 @@ class ProviderResponseCache(ProviderResponseCacheBase):
             response.append(data)
 
         return response
+
+    def filter_with_context(self, context: GtkSource.CompletionContext) -> list[dict]:
+        response: list[dict] = []
+
+        return response

plugins/completers/words_completer/__init__.py

@@ -0,0 +1,3 @@
+"""
+    Pligin Module
+"""

plugins/completers/words_completer/__main__.py

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

plugins/completers/words_completer/alt_provider.py

@@ -0,0 +1,53 @@
+# 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
+from .provider_response_cache import ProviderResponseCache
+
+
+
+class Provider(GtkSource.CompletionWords):
+    """
+        This is a Words Completion Provider.
+        # NOTE: used information from here --> https://warroom.rsmus.com/do-that-auto-complete/
+    """
+    __gtype_name__ = 'WordsCompletionProvider'
+
+    def __init__(self):
+        super(Provider, self).__init__()
+
+        self.response_cache: ProviderResponseCache = ProviderResponseCache()
+
+
+    def do_get_name(self):
+        return 'Words Completion'
+
+    def do_match(self, context):
+        word = self.response_cache.get_word(context)
+        if not word or len(word) < 2: return False
+        return True
+
+    def do_get_priority(self):
+        return 0
+
+    def do_activate_proposal(self, proposal, iter_):
+        buffer = iter_.get_buffer()
+        # Note: Flag mostly intended for SourceViewsMultiInsertState
+        #       to insure marker processes inserted text correctly.
+        buffer.is_processing_completion = True
+        return False
+
+    def do_get_activation(self):
+        """ The context for when a provider will show results """
+        # return GtkSource.CompletionActivation.NONE
+        # return GtkSource.CompletionActivation.USER_REQUESTED
+        return GtkSource.CompletionActivation.INTERACTIVE

plugins/completers/words_completer/manifest.json

@@ -0,0 +1,7 @@
+{
+    "name": "Words Completer",
+    "author": "ITDominator",
+    "version": "0.0.1",
+    "support": "",
+    "requests": {}
+}

plugins/completers/words_completer/plugin.py

@@ -0,0 +1,40 @@
+# Python imports
+
+# Lib imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+from libs.dto.base_event import BaseEvent
+from libs.event_factory import Event_Factory
+
+from plugins.plugin_types import PluginCode
+
+from .provider import Provider
+
+
+
+class Plugin(PluginCode):
+    def __init__(self):
+        super(Plugin, self).__init__()
+
+        self.provider: Provider = None
+
+
+    def _controller_message(self, event: BaseEvent):
+        ...
+
+    def load(self):
+        self.provider = Provider()
+
+        event = Event_Factory.create_event(
+            "register_provider",
+            provider_name = "Words Completer",
+            provider      = self.provider,
+            language_ids  = []
+        )
+        self.message_to("completion", event)
+
+    def run(self):
+        ...

plugins/completers/words_completer/provider.py

@@ -0,0 +1,71 @@
+# Python imports
+import re
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GObject
+from gi.repository import GtkSource
+
+# Application imports
+from .provider_response_cache import ProviderResponseCache
+
+
+
+class Provider(GObject.GObject, GtkSource.CompletionProvider):
+    """
+        This is a Words Completion Provider.
+        # NOTE: used information from here --> https://warroom.rsmus.com/do-that-auto-complete/
+    """
+    # __gtype_name__ = 'WordsCompletionProvider'
+
+    def __init__(self):
+        super(Provider, self).__init__()
+
+        self.response_cache: ProviderResponseCache = ProviderResponseCache()
+
+
+    def do_get_name(self):
+        return 'Words Completion'
+
+    def do_match(self, context):
+        word = self.response_cache.get_word(context)
+        if not word or len(word) < 2: return False
+        return True
+
+    def do_get_priority(self):
+        return 0
+
+    def do_activate_proposal(self, proposal, iter_):
+        buffer = iter_.get_buffer()
+        # Note: Flag mostly intended for SourceViewsMultiInsertState
+        #       to insure marker processes inserted text correctly.
+        buffer.is_processing_completion = True
+        return False
+
+    def do_get_activation(self):
+        """ The context for when a provider will show results """
+        # return GtkSource.CompletionActivation.NONE
+        # return GtkSource.CompletionActivation.USER_REQUESTED
+        return GtkSource.CompletionActivation.INTERACTIVE
+
+    def do_populate(self, context):
+        word    = self.response_cache.get_word(context)
+        results = self.response_cache.filter_with_context(context)
+        # results = self.response_cache.filter(word)
+
+        # if not results:
+        #     results = self.response_cache.filter_with_context(context)
+
+        proposals = []
+        for entry in results:
+            proposals.append(
+                self.response_cache.create_completion_item(
+                    entry["label"],
+                    entry["text"],
+                    entry["info"]
+                )
+            )
+
+        context.add_proposals(self, proposals, True)

plugins/completers/words_completer/provider_response_cache.py

@@ -0,0 +1,131 @@
+# Python imports
+from os import path
+
+# Lib imports
+import gi
+gi.require_version('GtkSource', '4')
+
+from gi.repository import GLib
+from gi.repository import GtkSource
+
+# Application imports
+from libs.event_factory import Code_Event_Types
+
+from core.widgets.code.completion_providers.provider_response_cache_base import ProviderResponseCacheBase
+
+
+
+class ProviderResponseCache(ProviderResponseCacheBase):
+    def __init__(self):
+        super(ProviderResponseCache, self).__init__()
+
+        self.matchers: dict = {}
+
+
+    def process_file_load(self, event: Code_Event_Types.AddedNewFileEvent):
+        self.load_as_new_set(event.file.buffer)
+
+    def process_file_close(self, event: Code_Event_Types.RemovedFileEvent):
+        self.matchers[event.file.buffer] = []
+        del self.matchers[event.file.buffer]
+
+    def process_file_save(self, event: Code_Event_Types.SavedFileEvent):
+        ...
+
+    def process_file_change(self, event: Code_Event_Types.TextChangedEvent):
+        buffer = event.file.buffer
+        # if self.get_if_in_matched_word_set(buffer): return
+        self.load_as_new_set(buffer)
+
+
+    def filter(self, word: str) -> list[dict]:
+        response: list[dict] = []
+
+        for entry in self.matchers:
+            if not word in entry: continue
+            data = self.matchers[entry]
+            response.append(data)
+
+        return response
+
+    def filter_with_context(self, context: GtkSource.CompletionContext) -> list[dict]:
+        buffer = self.get_iter_correctly(context).get_buffer()
+        word   = self.get_word(context).rstrip()
+
+        response: list[dict] = []
+        for entry in self.matchers[buffer]:
+            if not entry.rstrip().startswith(word): continue
+
+            data = {
+                "label": entry,
+                "text": entry,
+                "info": ""
+            }
+
+            response.append(data)
+
+        return response
+
+
+    def load_as_new_set(self, buffer):
+        start_itr = buffer.get_start_iter()
+        end_itr   = buffer.get_end_iter()
+        data      = buffer.get_text(start_itr, end_itr, False)
+
+        if not data:
+            self.matchers[buffer] = set()
+            return
+
+        self.matchers[buffer] = self.get_all_words(data)
+
+    def get_if_in_matched_word_set(self, buffer):
+        was_found = False
+
+        if not buffer in self.matchers: return was_found
+
+        insert_itr = buffer.get_iter_at_mark( buffer.get_insert() )
+        end_itr    = insert_itr.copy()
+        start_itr  = end_itr.copy()
+
+        if not start_itr.starts_word():
+            start_itr.backward_word_start()
+
+        if not end_itr.ends_word():
+            end_itr.forward_word_end()
+
+        word      = buffer.get_text(start_itr, end_itr, False)
+        for _word in self.matchers[buffer]:
+            if not _word.startswith(word): continue
+            was_found = True
+
+        if was_found: return was_found
+
+        self.matchers[buffer].add(word)
+
+        return was_found
+
+
+    def get_all_words(self, data: str):
+        words = set()
+
+        def is_word_char(c):
+            return c.isalnum() or c == '_'
+
+        size = len(data)
+        i = 0
+        
+        while i < size:
+            # Skip non-word characters
+            while i < size and not is_word_char(data[i]):
+                i += 1
+
+            start = i
+            # Consume word characters
+            while i < size and is_word_char(data[i]):
+                i += 1
+
+            word = data[start:i]
+            if not word: continue
+            words.add(word)
+
+        return words

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

@@ -51,7 +51,7 @@ class ProviderResponseCacheBase:
         text: str       = "",
         info: str       = "",
         completion: any = None
-    ):
+    ) -> dict:
         if not label or not text: return
 
         comp_item = GtkSource.CompletionItem.new()
@@ -69,19 +69,51 @@ class ProviderResponseCacheBase:
 
         return comp_item
 
-    def get_word(self, context):
+    def get_all_marks(self, buffer):
-        start_iter = context.get_iter()
+        marks = []
-        end_iter   = None
+        iter_ = buffer.get_start_iter()
 
-        if not isinstance(start_iter, Gtk.TextIter):
+        while iter_:
-            _, start_iter = context.get_iter()
+            marks = iter_.get_marks()
+
+            for mark in marks:
+                if mark and mark not in marks:
+                    marks.append(mark)
+
+            if not iter_.forward_char():
+                break
+
+        return marks
+
+    def get_all_insert_marks(self, buffer):
+        marks = []
+        iter_ = buffer.get_start_iter()
+
+        while iter_:
+            marks = iter_.get_marks()
+
+            for mark in marks:
+                if mark.get_name() and "multi_insert_" in mark.get_name():
+                    marks.append(mark)
+
+            if not iter_.forward_char():
+                break
+
+        return marks
+
+    def get_word(self, context) -> str:
+        start_iter = self.get_iter_correctly(context)
         end_iter   = start_iter.copy()
 
         if not start_iter.starts_word():
             start_iter.backward_word_start()
 
+        if not end_iter.ends_word():
             end_iter.forward_word_end()
 
         buffer = start_iter.get_buffer()
 
         return buffer.get_text(start_iter, end_iter, False)
+
+    def get_iter_correctly(self, context):
+        return context.get_iter()[1] if isinstance(context.get_iter(), tuple) else context.get_iter()

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

@@ -45,10 +45,13 @@ class CompletionController(ControllerBase):
     def register_completer(self, completer: GtkSource.Completion):
         self._completers.append(completer)
 
-        completer.add_provider(self.words_provider)
+        # completer.add_provider(self.words_provider)
         for provider in self._providers.values():
             completer.add_provider(provider)
 
+    def unregister_completer(self, completer: GtkSource.Completion):
+        self._completers.remove(completer)
+
     def register_provider(
         self,
         provider_name: str,

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

@@ -34,6 +34,9 @@ class SourceViewsMultiInsertState(MarkEventsMixin):
         if not self.insert_markers: return False
 
         buffer = file.buffer
+        if buffer.is_processing_completion:
+            self.insert_completion_text(buffer, text)
+            return True
 
         # freeze buffer and insert to each mark (if any)
         buffer.block_insert_after_signal()
@@ -49,6 +52,32 @@ class SourceViewsMultiInsertState(MarkEventsMixin):
 
         return True
 
+    def insert_completion_text(self, buffer, text):
+        buffer.is_processing_completion = False
+
+        # 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:
+                end_itr = buffer.get_iter_at_mark(mark)
+                start_itr = end_itr.copy()
+        
+                if not start_itr.starts_word():
+                    start_itr.backward_word_start()
+        
+                if not end_itr.ends_word():
+                    end_itr.forward_word_end()
+
+                buffer.delete(start_itr, end_itr)
+                buffer.insert(end_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()
 
@@ -95,7 +124,7 @@ class SourceViewsMultiInsertState(MarkEventsMixin):
             return False
 
         is_future = key_mapper._key_release_event(eve)
-        if is_future: return False
+        if is_future: return True
 
         command = key_mapper._key_press_event(eve)
         if not command: return False
@@ -108,7 +137,7 @@ class SourceViewsMultiInsertState(MarkEventsMixin):
         command = key_mapper._key_release_event(eve)
         is_past = key_mapper._key_press_event(eve)
 
-        if is_past: return False
+        if is_past: return True
         if not command: return False
 
         source_view.command.exec(command)

src/core/widgets/code/source_buffer.py

@@ -13,6 +13,8 @@ class SourceBuffer(GtkSource.Buffer):
     def __init__(self):
         super(SourceBuffer, self).__init__()
 
+        self.is_processing_completion: bool = False
+
         self._handler_ids = []