Use debug categories, add missing Q_REQUIRED_RESULT, add explicit

src/iconsidepane.h

@@ -37,17 +37,17 @@ public:
     void updatePlugins(const QList<KontactInterface::Plugin *> &plugins);
     void setCurrentPlugin(const QString &plugin);
 
-    int iconSize() const
+    Q_REQUIRED_RESULT int iconSize() const
     {
         return mIconSize;
     }
 
-    bool showIcons() const
+    Q_REQUIRED_RESULT bool showIcons() const
     {
         return mShowIcons;
     }
 
-    bool showText() const
+    Q_REQUIRED_RESULT bool showText() const
     {
         return mShowText;
     }
@@ -57,7 +57,7 @@ public:
         mMainWindow = mainWindow;
     }
 
-    MainWindow *mainWindow()
+    Q_REQUIRED_RESULT MainWindow *mainWindow()
     {
         return mMainWindow;
     }

src/mainwindow.cpp

@@ -116,7 +116,7 @@ void MainWindow::initGUI()
         Q_ASSERT(navigatorToolBar->sizeHint().isValid());
         navigatorToolBar->setMinimumWidth(navigatorToolBar->sizeHint().width());
     } else {
-        qCritical() << "Unable to find navigatorToolBar, probably kontactui.rc is missing";
+        qCCritical(KONTACT_LOG) << "Unable to find navigatorToolBar, probably kontactui.rc is missing";
     }
 }
 

src/mainwindow.h

@@ -38,7 +38,7 @@ public:
     MainWindow();
     ~MainWindow() override;
 
-    PluginList pluginList() const override
+    Q_REQUIRED_RESULT PluginList pluginList() const override
     {
         return mPlugins;
     }

src/sidepanebase.h

@@ -23,7 +23,7 @@ class SidePaneBase : public QWidget
     Q_OBJECT
 
 public:
-    SidePaneBase(KontactInterface::Core *core, QWidget *parent);
+    explicit SidePaneBase(KontactInterface::Core *core, QWidget *parent);
     ~SidePaneBase() override;
 
     virtual void setCurrentPlugin(const QString &) = 0;