Prevent escape key from being captured.

TransmitTextEdit.cpp

@@ -131,6 +131,15 @@ void TransmitTextEdit::replaceUnsentText(const QString &text){
     c.insertText(text);
 }
 
+//
+void TransmitTextEdit::replacePlainText(const QString &text){
+    auto c = textCursor();
+    c.movePosition(QTextCursor::Start);
+    c.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
+    c.removeSelectedText();
+    c.insertText(text);
+}
+
 //
 void TransmitTextEdit::setFont(QFont f){
     m_font = f;
@@ -351,7 +360,11 @@ bool TransmitTextEdit::eventFilter(QObject */*o*/, QEvent *e){
         return false;
     }
 
+    // -1. don't filter the escape key
     QKeyEvent *k = static_cast<QKeyEvent *>(e);
+    if(k->key() == Qt::Key_Escape){
+        return false;
+    }
 
     auto c = textCursor();
 

TransmitTextEdit.h

@@ -35,6 +35,7 @@ public:
     QString toPlainText() const;
     void setPlainText(const QString &text);
     void replaceUnsentText(const QString &text);
+    void replacePlainText(const QString &text);
 
     void setFont(QFont f);
     void setFont(QFont f, QColor fg, QColor bg);

mainwindow.cpp

@@ -6354,15 +6354,28 @@ bool MainWindow::prepareNextMessageFrame()
 
   // typeahead
   static QString lastText;
-  if(lastText == "" || lastText != ui->extFreeTextMsgEdit->toPlainText()){
+  auto text = ui->extFreeTextMsgEdit->toPlainText();
+  if(lastText == "" || lastText != text){
+#if 1
       auto sent = ui->extFreeTextMsgEdit->sentText();
       auto unsent = ui->extFreeTextMsgEdit->unsentText();
       qDebug() << "text dirty for typeahead\n" << sent << "\n" << unsent;
       m_txFrameQueue.clear();
       m_txFrameCount = 0;
-      auto newUnsent = appendMessage(unsent);
-      ui->extFreeTextMsgEdit->replaceUnsentText(newUnsent);
-      lastText = ui->extFreeTextMsgEdit->toPlainText();
+      auto newText = appendMessage(unsent);
+      ui->extFreeTextMsgEdit->replaceUnsentText(newText);
+#else
+      m_txFrameQueue.clear();
+      auto newText = appendMessage(text);
+      for(int i = 0; i < m_txFrameCount; i++){
+          if(m_txFrameQueue.isEmpty()){
+              break;
+          }
+          m_txFrameQueue.removeFirst();
+      }
+      ui->extFreeTextMsgEdit->replacePlainText(newText);
+#endif
+      lastText = text;
   }
 
   QPair<QString, int> f = popMessageFrame();