Qt Designer Examples: Fix code around constructors.

Make constructors explicit, use constructor initialization for member
variables, remove unused variables.

Change-Id: I84273400d66ef061376bd0ec4948ab1a0fd45f30
Reviewed-by: Jarek Kobus <jaroslaw.kobus@theqtcompany.com>

4 files changed, 5 insertions, 5 deletions

diff --git a/examples/designer/worldtimeclockplugin/worldtimeclock.cpp b/examples/designer/worldtimeclockplugin/worldtimeclock.cpp
index 1a4d8fcda..776eec786 100644
--- a/examples/designer/worldtimeclockplugin/worldtimeclock.cpp
+++ b/examples/designer/worldtimeclockplugin/worldtimeclock.cpp
@@ -46,11 +46,11 @@
 
 WorldTimeClock::WorldTimeClock(QWidget *parent)
     : QWidget(parent)
+    , timeZoneOffset(0)
+
 {
     typedef void (QWidget::*WidgetUpdateSlot)();
 
-    timeZoneOffset = 0;
-
     QTimer *timer = new QTimer(this);
     connect(timer, &QTimer::timeout, this, static_cast<WidgetUpdateSlot>(&QWidget::update));
     timer->start(1000);
diff --git a/examples/designer/worldtimeclockplugin/worldtimeclock.h b/examples/designer/worldtimeclockplugin/worldtimeclock.h
index 497c51b4a..e0220a8dc 100644
--- a/examples/designer/worldtimeclockplugin/worldtimeclock.h
+++ b/examples/designer/worldtimeclockplugin/worldtimeclock.h
@@ -52,7 +52,7 @@ class QDESIGNER_WIDGET_EXPORT WorldTimeClock : public QWidget
 //! [0]
 
 public:
-    WorldTimeClock(QWidget *parent = 0);
+    explicit WorldTimeClock(QWidget *parent = 0);
 
 public slots:
     void setTimeZone(int hourOffset);
diff --git a/examples/designer/worldtimeclockplugin/worldtimeclockplugin.cpp b/examples/designer/worldtimeclockplugin/worldtimeclockplugin.cpp
index 6c879fdfb..416c8288e 100644
--- a/examples/designer/worldtimeclockplugin/worldtimeclockplugin.cpp
+++ b/examples/designer/worldtimeclockplugin/worldtimeclockplugin.cpp
@@ -45,8 +45,8 @@
 
 WorldTimeClockPlugin::WorldTimeClockPlugin(QObject *parent)
     : QObject(parent)
+    , initialized(false)
 {
-    initialized = false;
 }
 
 void WorldTimeClockPlugin::initialize(QDesignerFormEditorInterface * /* core */)
diff --git a/examples/designer/worldtimeclockplugin/worldtimeclockplugin.h b/examples/designer/worldtimeclockplugin/worldtimeclockplugin.h
index a4bb24223..7ed81ba6f 100644
--- a/examples/designer/worldtimeclockplugin/worldtimeclockplugin.h
+++ b/examples/designer/worldtimeclockplugin/worldtimeclockplugin.h
@@ -54,7 +54,7 @@ class WorldTimeClockPlugin : public QObject,
     Q_INTERFACES(QDesignerCustomWidgetInterface)
 
 public:
-    WorldTimeClockPlugin(QObject *parent = 0);
+    explicit WorldTimeClockPlugin(QObject *parent = 0);
 
     bool isContainer() const Q_DECL_OVERRIDE;
     bool isInitialized() const Q_DECL_OVERRIDE;