Refactor MemoEdit

src/memoedit.cpp

@@ -0,0 +1,44 @@
+#include "memoedit.h"
+
+MemoEdit::MemoEdit(QWidget* parent) : QPlainTextEdit(parent) {
+    QObject::connect(this, &QPlainTextEdit::textChanged, [=]() {
+        QString txt = this->toPlainText();
+        if (lenDisplayLabel)
+            lenDisplayLabel->setText(QString::number(txt.toUtf8().size()) + "/" + QString::number(maxlen));
+
+        if (txt.toUtf8().size() <= maxlen) {
+            // Everything is fine
+            acceptButton->setEnabled(true);
+            lenDisplayLabel->setStyleSheet("");
+        }
+        else {
+           // Overweight
+            acceptButton->setEnabled(false);
+            lenDisplayLabel->setStyleSheet("color: red;");
+        }
+        
+    });
+}
+
+void MemoEdit::setMaxLen(int len) {
+    this->maxlen = len;
+}
+
+void MemoEdit::setLenDisplayLabel(QLabel* label) {
+    this->lenDisplayLabel = label;
+}
+
+void MemoEdit::setAcceptButton(QPushButton* button) {
+    this->acceptButton = button;
+}
+
+void MemoEdit::includeReplyTo(QString addr) {
+    if (addr.isEmpty())
+        return;
+    
+    auto curText = this->toPlainText();
+    if (curText.endsWith(addr))
+        return;
+
+    this->setPlainText(curText + "\n" + tr("Reply to") + ":\n" + addr);
+}