Improve textbox reselection speed

Author: Trolldemorted

Signal-Windows/Controls/Conversation.xaml.cs

@@ -290,7 +290,11 @@ private async void TextBox_KeyDown(object sender, KeyRoutedEventArgs e)
                 if (!SendingMessage)
                 {
                     SendingMessage = true;
-                    await GetMainPageVm().SendMessageButton_Click((TextBox)sender);
+                    bool sendMessageResult = await GetMainPageVm().SendMessageButton_Click(InputTextBox.Text);
+                    if (sendMessageResult)
+                    {
+                        InputTextBox.Text = string.Empty;
+                    }
                     SendingMessage = false;
                 }
             }
@@ -307,7 +311,12 @@ private void ScrollToBottom()
 
         private async void SendMessageButton_Click(object sender, RoutedEventArgs e)
         {
-            await GetMainPageVm().SendMessageButton_Click(InputTextBox);
+            InputTextBox.Focus(FocusState.Programmatic);
+            bool sendMessageResult = await GetMainPageVm().SendMessageButton_Click(InputTextBox.Text);
+            if (sendMessageResult)
+            {
+                InputTextBox.Text = string.Empty;
+            }
         }
 
         private void InputTextBox_TextChanged(object sender, TextChangedEventArgs e)

Signal-Windows/ViewModels/MainPageViewModel.cs

@@ -144,14 +144,9 @@ internal void RepositionConversation(SignalConversation uiConversation)
             }
         }
 
-        internal async Task SendMessageButton_Click(TextBox messageTextBox)
+        internal async Task<bool> SendMessageButton_Click(string text)
         {
-            bool sendMessageResult = await SendMessage(messageTextBox.Text.Replace("\r", "\r\n"));
-            if (sendMessageResult)
-            {
-                messageTextBox.Text = string.Empty;
-            }
-            messageTextBox.Focus(FocusState.Programmatic);
+            return await SendMessage(text.Replace("\r", "\r\n"));
         }
 
         internal void Deselect()