<refactor, feat>(ui): Text editor improvements.

1. Add binary display mode
2. Add information bar
3. Added character code recognition function.
4. Identify text encoding and line breaks
5. Count the number of characters
6. Code reconstruction

1 files changed, 23 insertions, 10 deletions

diff --git a/src/ui/main_window/MainWindowSlotFunction.cpp b/src/ui/main_window/MainWindowSlotFunction.cpp
index d2ad177a..593fe6fe 100644
--- a/src/ui/main_window/MainWindowSlotFunction.cpp
+++ b/src/ui/main_window/MainWindowSlotFunction.cpp
@@ -69,7 +69,8 @@ void MainWindow::slotEncrypt() {
 
     process_operation(this, _("Symmetrically Encrypting"), [&]() {
       try {
-        auto buffer = edit->curTextPage()->toPlainText().toUtf8().toStdString();
+        auto buffer =
+            edit->curTextPage()->getTextPage()->toPlainText().toStdString();
         error = GpgFrontend::BasicOperator::GetInstance().EncryptSymmetric(
             buffer, tmp, result);
       } catch (const std::runtime_error& e) {
@@ -94,7 +95,8 @@ void MainWindow::slotEncrypt() {
 
     process_operation(this, _("Encrypting"), [&]() {
       try {
-        auto buffer = edit->curTextPage()->toPlainText().toUtf8().toStdString();
+        auto buffer =
+            edit->curTextPage()->getTextPage()->toPlainText().toStdString();
         error = GpgFrontend::BasicOperator::GetInstance().Encrypt(
             std::move(keys), buffer, tmp, result);
       } catch (const std::runtime_error& e) {
@@ -114,7 +116,8 @@ void MainWindow::slotEncrypt() {
     infoBoard->resetOptionActionsMenu();
 #ifdef SMTP_SUPPORT
     if (check_gpg_error_2_err_code(error) == GPG_ERR_NO_ERROR)
-      send_an_email(this, infoBoard, edit->curTextPage()->toPlainText());
+      send_an_email(this, infoBoard,
+                    edit->curTextPage()->getTextPage()->toPlainText());
 #endif
   } else {
     QMessageBox::critical(this, _("Error"),
@@ -157,7 +160,11 @@ void MainWindow::slotSign() {
 
   process_operation(this, _("Signing"), [&]() {
     try {
-      auto buffer = edit->curTextPage()->toPlainText().toUtf8().toStdString();
+      auto buffer = edit->curTextPage()
+                        ->getTextPage()
+                        ->toPlainText()
+                        .toUtf8()
+                        .toStdString();
       error = GpgFrontend::BasicOperator::GetInstance().Sign(
           std::move(keys), buffer, tmp, GPGME_SIG_MODE_CLEAR, result);
     } catch (const std::runtime_error& e) {
@@ -183,7 +190,7 @@ void MainWindow::slotDecrypt() {
   if (edit->tabCount() == 0 || edit->slotCurPageTextEdit() == nullptr) return;
 
   auto decrypted = std::make_unique<ByteArray>();
-  QByteArray text = edit->curTextPage()->toPlainText().toUtf8();
+  QByteArray text = edit->curTextPage()->getTextPage()->toPlainText().toUtf8();
 
   if (text.trimmed().startsWith(GpgConstants::GPG_FRONTEND_SHORT_CRYPTO_HEAD)) {
     QMessageBox::critical(
@@ -234,7 +241,7 @@ void MainWindow::slotFind() {
 void MainWindow::slotVerify() {
   if (edit->tabCount() == 0 || edit->slotCurPageTextEdit() == nullptr) return;
 
-  auto text = edit->curTextPage()->toPlainText().toUtf8();
+  auto text = edit->curTextPage()->getTextPage()->toPlainText().toUtf8();
   // TODO(Saturneric) PreventNoDataErr
 
   auto sig_buffer = std::make_unique<ByteArray>();
@@ -317,7 +324,11 @@ void MainWindow::slotEncryptSign() {
   auto tmp = std::make_unique<ByteArray>();
   process_operation(this, _("Encrypting and Signing"), [&]() {
     try {
-      auto buffer = edit->curTextPage()->toPlainText().toUtf8().toStdString();
+      auto buffer = edit->curTextPage()
+                        ->getTextPage()
+                        ->toPlainText()
+                        .toUtf8()
+                        .toStdString();
       error = GpgFrontend::BasicOperator::GetInstance().EncryptSign(
           std::move(keys), std::move(signer_keys), buffer, tmp, encr_result,
           sign_result);
@@ -352,7 +363,8 @@ void MainWindow::slotEncryptSign() {
     infoBoard->resetOptionActionsMenu();
 #ifdef SMTP_SUPPORT
     if (check_gpg_error_2_err_code(error) == GPG_ERR_NO_ERROR)
-      send_an_email(this, infoBoard, edit->curTextPage()->toPlainText(), false);
+      send_an_email(this, infoBoard,
+                    edit->curTextPage()->getTextPage()->toPlainText(), false);
 #endif
 
 #ifdef ADVANCE_SUPPORT
@@ -376,7 +388,7 @@ void MainWindow::slotEncryptSign() {
 void MainWindow::slotDecryptVerify() {
   if (edit->tabCount() == 0 || edit->slotCurPageTextEdit() == nullptr) return;
 
-  QString plainText = edit->curTextPage()->toPlainText();
+  QString plainText = edit->curTextPage()->getTextPage()->toPlainText();
 
 #ifdef ADVANCE_SUPPORT
   if (plainText.trimmed().startsWith(
@@ -453,7 +465,8 @@ void MainWindow::slotAppendSelectedKeys() {
   auto key_ids = mKeyList->getSelected();
 
   GpgKeyImportExporter::GetInstance().ExportKeys(key_ids, exported);
-  edit->curTextPage()->append(QString::fromStdString(*exported));
+  edit->curTextPage()->getTextPage()->appendPlainText(
+      QString::fromStdString(*exported));
 }
 
 void MainWindow::slotCopyMailAddressToClipboard() {