Apply button

gui/include/optionsdialog.h

@@ -8,6 +8,7 @@ class QStackedWidget;
 class QListWidget;
 class QListWidgetItem;
 class QDataWidgetMapper;
+class QPushButton;
 QT_END_NAMESPACE
 class OptionsModel;
 class MainOptionsPage;
@@ -24,12 +25,18 @@ signals:
 
 public slots:
     void changePage(QListWidgetItem *current, QListWidgetItem *previous);
+private slots:
+    void okClicked();
+    void cancelClicked();
+    void applyClicked();
+    void enableApply();
 private:
     QListWidget *contents_widget;
     QStackedWidget *pages_widget;
     MainOptionsPage *main_options_page;
     OptionsModel *model;
     QDataWidgetMapper *mapper;
+    QPushButton *apply_button;
 
     void setupMainPage();
 };