Move options ui as a pointer member variable

src/gui/options.ui

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <ui version="4.0">
- <class>Preferences</class>
- <widget class="QDialog" name="Preferences">
+ <class>OptionsDialog</class>
+ <widget class="QDialog" name="OptionsDialog">
   <property name="geometry">
    <rect>
     <x>0</x>
@@ -1363,7 +1363,7 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>497</width>
+             <width>457</width>
              <height>672</height>
             </rect>
            </property>
@@ -1836,8 +1836,8 @@
             <rect>
              <x>0</x>
              <y>0</y>
-             <width>510</width>
-             <height>538</height>
+             <width>388</width>
+             <height>452</height>
             </rect>
            </property>
            <layout class="QVBoxLayout" name="verticalLayout_5">

src/gui/options_imp.h

@@ -31,9 +31,12 @@
 #ifndef OPTIONS_IMP_H
 #define OPTIONS_IMP_H
 
-#include "ui_options.h"
+#include <QButtonGroup>
+#include <QDialog>
 
+class QAbstractButton;
 class QCloseEvent;
+class QListWidgetItem;
 class AdvancedSettings;
 
 // actions on double-click on torrents
@@ -44,7 +47,12 @@ enum DoubleClickAction
     NO_ACTION
 };
 
-class options_imp: public QDialog, private Ui_Preferences
+namespace Ui
+{
+    class OptionsDialog;
+}
+
+class options_imp: public QDialog
 {
     Q_OBJECT
 private:
@@ -164,6 +172,7 @@ private:
     bool webUIAuthenticationOk();
 
 private:
+    Ui::OptionsDialog *m_ui;
     QButtonGroup choiceLanguage;
     QAbstractButton *applyButton;
     AdvancedSettings *advancedSettings;