Add option description about gui reset

share/translations/screentranslator_ru.ts

@@ -66,7 +66,7 @@ Ctrl - продолжить выделять</translation>
 <context>
     <name>QObject</name>
     <message>
-        <location filename="../../src/main.cpp" line="27"/>
+        <location filename="../../src/main.cpp" line="28"/>
         <source>OCR and translation tool</source>
         <translation>Инструмент распознавания и перевода</translation>
     </message>
@@ -697,6 +697,11 @@ in %1</source>
         <source>No target language set</source>
         <translation>Не задан язык результата</translation>
     </message>
+    <message>
+        <location filename="../../src/service/widgetstate.cpp" line="110"/>
+        <source>Do not restore user interface (window size and position, etc)</source>
+        <translation>Не восстанавливать интерфейс пользователя (размер и положения окна и т.д.)</translation>
+    </message>
 </context>
 <context>
     <name>RecognizeWorker</name>

src/main.cpp

@@ -1,6 +1,7 @@
 #include "apptranslator.h"
 #include "manager.h"
 #include "singleapplication.h"
+#include "widgetstate.h"
 
 #include <QApplication>
 #include <QCommandLineParser>
@@ -27,6 +28,7 @@ int main(int argc, char *argv[])
     parser.setApplicationDescription(QObject::tr("OCR and translation tool"));
     parser.addHelpOption();
     parser.addVersionOption();
+    service::WidgetState::addHelp(parser);
 
     parser.process(a);
   }

src/service/widgetstate.cpp

@@ -1,6 +1,7 @@
 #include "widgetstate.h"
 #include "debug.h"
 
+#include <QCommandLineParser>
 #include <QCoreApplication>
 #include <QHeaderView>
 #include <QMainWindow>
@@ -103,6 +104,13 @@ bool WidgetState::eventFilter(QObject *watched, QEvent *event)
   return QObject::eventFilter(watched, event);
 }
 
+void WidgetState::addHelp(QCommandLineParser &parser)
+{
+  parser.addOption(
+      {"reset-gui", QObject::tr("Do not restore user interface "
+                                "(window size and position, etc)")});
+}
+
 void WidgetState::save(QWidget *widget)
 {
   SOFT_ASSERT(widget, return );

src/service/widgetstate.h

@@ -2,6 +2,8 @@
 
 #include <QObject>
 
+class QCommandLineParser;
+
 namespace service
 {
 class WidgetState : public QObject
@@ -11,6 +13,8 @@ public:
   void add(QWidget *watched);
   bool eventFilter(QObject *watched, QEvent *event) override;
 
+  static void addHelp(QCommandLineParser &parser);
+
   static void save(QWidget *widget);
   static void restore(QWidget *widget);
 };