feat(ui): more advanced charset functions

1. support dealing more type of files with different charsets
2. solve cash cause by reading file thread
3. improve ui operations

1 files changed, 20 insertions, 2 deletions

diff --git a/src/ui/widgets/PlainTextEditorPage.h b/src/ui/widgets/PlainTextEditorPage.h
index e76c11e3..0009b7d6 100644
--- a/src/ui/widgets/PlainTextEditorPage.h
+++ b/src/ui/widgets/PlainTextEditorPage.h
@@ -29,6 +29,8 @@
 #ifndef __EDITORPAGE_H__
 #define __EDITORPAGE_H__
 
+#include <string>
+
 #include "core/GpgConstants.h"
 #include "ui/GpgFrontendUI.h"
 
@@ -49,7 +51,7 @@ class PlainTextEditorPage : public QWidget {
    * @param file_path Path of the file handled in this tab
    * @param parent Pointer to the parent widget
    */
-  explicit PlainTextEditorPage(QString file_path = "",
+  explicit PlainTextEditorPage(QString file_path = {},
                                QWidget* parent = nullptr);
 
   /**
@@ -104,6 +106,18 @@ class PlainTextEditorPage : public QWidget {
    */
   void PrepareToDestroy();
 
+  /**
+   * @brief detect if the charset of the file will change
+   *
+   */
+  bool WillCharsetChange() const;
+
+  /**
+   * @brief notify the user that the file has been saved.
+   *
+   */
+  void NotifyFileSaved();
+
  private:
   std::shared_ptr<Ui_PlainTextEditor> ui_;  ///<
   QString full_file_path_;  ///< The path to the file handled in the tab
@@ -112,6 +126,10 @@ class PlainTextEditorPage : public QWidget {
   QThread* read_thread_ = nullptr;  ///<
   bool binary_mode_ = false;        ///<
   size_t read_bytes_ = 0;           ///<
+  std::string charset_name_;        ///<
+  std::string language_name_;       ///<
+  int32_t charset_confidence_;      ///<
+  bool is_crlf_ = false;            ///<
 
   /**
    * @brief
@@ -125,7 +143,7 @@ class PlainTextEditorPage : public QWidget {
    *
    * @param data
    */
-  void detect_cr_lf(const QString& data);
+  void detect_cr_lf(const std::string& data);
 
  private slots: