Make send button in chat input work

briar-gtk/briar_gtk/actions/window.py

@@ -31,6 +31,7 @@ class WindowActions(Actions):
         self._setup_open_emoji_menu_action()
         self._setup_open_main_window_action()
         self._setup_open_private_chat_action()
+        self._setup_send_message_action()
 
     def _setup_back_to_sidebar_action(self):
         self._setup_action("back-to-sidebar", None, self._back_to_sidebar)
@@ -66,6 +67,9 @@ class WindowActions(Actions):
         self._setup_action("open-private-chat", GLib.VariantType.new("i"),
                            self._open_private_chat)
 
+    def _setup_send_message_action(self):
+        self._setup_action("send-message", None, self._send_message)
+
     # pylint: disable=unused-argument
     def _back_to_sidebar(self, action, parameter):
         if not isinstance(self.widget.current_view, MainWindowView):
@@ -118,3 +122,9 @@ class WindowActions(Actions):
                 "Should open private chat only from MainWindowView")
         self.widget.current_view.presenter.open_private_chat(
             contact_id.get_int32())
+
+    # pylint: disable=unused-argument
+    def _send_message(self, action, parameter):
+        if not isinstance(self.widget.current_view, MainWindowView):
+            raise Exception("Should send message only from MainWindowView")
+        self.widget.current_view.presenter.send_message()

briar-gtk/briar_gtk/presenters/main_window.py

@@ -53,6 +53,10 @@ class MainWindowPresenter:
             self._view.builder, contact_id, self._sidebar_presenter)
         self._private_chat_presenter = private_chat_view.presenter
 
+    def send_message(self):
+        if isinstance(self._private_chat_presenter, PrivateChatPresenter):
+            self._private_chat_presenter.send_message()
+
     def _setup_destroy_listener(self):
         self._view.connect("destroy", self._on_destroy)
 

briar-gtk/briar_gtk/presenters/private_chat.py

@@ -103,6 +103,15 @@ class PrivateChatPresenter:
         self._hide_chat_menu_button()
         self._disconnect_chat_entry_signals()
 
+    def send_message(self):
+        chat_entry = self._view.builder.get_object("chat_entry")
+        # Text does not only contain whitespace
+        if len(self._get_text_from_text_view(chat_entry).strip()) == 0:
+            return False
+        self._send_message(chat_entry)
+        self._sidebar_presenter.refresh_contacts()
+        return True
+
     def disconnect_signals(self):
         for signal in self._signals:
             APP().api.socket_listener.disconnect(signal)