Make the invariants of MainView explicit

Enforce the invariant of MainView by making the pointer const.

Reviewed by: Pierre Rossi
Reviewed by: Andrea Diamantini

2 files changed, 4 insertions, 5 deletions

diff --git a/src/mainview.cpp b/src/mainview.cpp
index 8432607a..e3e602b8 100644
--- a/src/mainview.cpp
+++ b/src/mainview.cpp
@@ -60,13 +60,12 @@
 MainView::MainView(MainWindow *parent)
         : KTabWidget(parent)
         , m_widgetBar(new StackedUrlBar(this))
-        , m_addTabButton(0)
+        , m_addTabButton(new QToolButton(this))
         , m_currentTabIndex(0)
         , m_parentWindow(parent)
 {
     // setting tabbar
     TabBar *tabBar = new TabBar(this);
-    m_addTabButton = new QToolButton(this);
     setTabBar(tabBar);
 
     // set mouse tracking for tab previews
diff --git a/src/mainview.h b/src/mainview.h
index 22a3a46e..c59bd5e1 100644
--- a/src/mainview.h
+++ b/src/mainview.h
@@ -177,18 +177,18 @@ private:
 
 // --------------------------------------------------------------------------
 
-    StackedUrlBar *m_widgetBar;
+    StackedUrlBar *const m_widgetBar;
 
     QString m_loadingGitPath;
 
     // the new tab button
-    QToolButton *m_addTabButton;
+    QToolButton *const m_addTabButton;
 
     int m_currentTabIndex;
 
     QList<HistoryItem> m_recentlyClosedTabs;
 
-    MainWindow *m_parentWindow;
+    MainWindow *const m_parentWindow;
 };
 
 #endif // MAINVIEW_H