Restore terminal state on termination

include/tui.h

@@ -51,6 +51,8 @@ public:
 
     static enum UserInput readUserInput();
 
+    static void terminateTUI();
+
 private:
     static string sCpuUsage;
     static string sRamUsage;

src/reHDD.cpp

@@ -198,8 +198,9 @@ void reHDD::ThreadUserInput()
             ui->updateTUI(&listDrives, u8SelectedEntry);
             break;
         case TUI::UserInput::Terminate:
-            cout << "Terminate" << endl;
+            // cout << "Terminate" << endl;
             stopShredAllDrives(&listDrives);
+            ui->terminateTUI();
             sleep(5);     // sleep 5 sec
             std::exit(1); // Terminates main, doesn't wait for threads
             break;

src/tui.cpp

@@ -63,6 +63,11 @@ void TUI::initTUI()
 
 void TUI::updateTUI(list<Drive> *plistDrives, uint8_t u8SelectedEntry)
 {
+    if (isendwin())
+    {
+        return;
+    }
+
     mxUIrefresh.lock();
     uint16_t u16StdscrX, u16StdscrY;
     getmaxyx(stdscr, u16StdscrY, u16StdscrX);
@@ -250,6 +255,11 @@ enum TUI::UserInput TUI::readUserInput()
     return TUI::UserInput::Undefined;
 }
 
+void TUI::terminateTUI()
+{
+    endwin();
+}
+
 void TUI::centerTitle(WINDOW *pwin, const char *title)
 {
     int x, maxX, stringSize;