basic AppBar implementation

appbar.cpp

@@ -1 +1,44 @@
+#include <QGraphicsDropShadowEffect>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QPainter>
 #include "appbar.h"
+
+AppBar::AppBar(QWidget *parent)
+    : QWidget(parent)
+{
+    QGraphicsDropShadowEffect *effect = new QGraphicsDropShadowEffect;
+    effect->setOffset(0, 2);
+    effect->setBlurRadius(11);
+    effect->setColor(QColor(0, 0, 0, 50));
+    setGraphicsEffect(effect);
+
+    QHBoxLayout *layout = new QHBoxLayout;
+    setLayout(layout);
+
+    QLabel *label = new QLabel("App");
+    layout->addWidget(label);
+
+    QSizePolicy policy;
+    policy.setHorizontalPolicy(QSizePolicy::MinimumExpanding);
+    policy.setVerticalPolicy(QSizePolicy::Maximum);
+    setSizePolicy(policy);
+
+    setMinimumHeight(64);
+}
+
+AppBar::~AppBar()
+{
+}
+
+void AppBar::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event)
+
+    QPainter painter(this);
+    QBrush brush;
+    brush.setStyle(Qt::SolidPattern);
+    brush.setColor(Qt::white);
+
+    painter.fillRect(rect(), brush);
+}

appbar.h

@@ -0,0 +1,18 @@
+#ifndef APPBAR_H
+#define APPBAR_H
+
+#include <QWidget>
+
+class AppBar : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit AppBar(QWidget *parent = 0);
+    ~AppBar();
+
+protected:
+    void paintEvent(QPaintEvent *event);
+};
+
+#endif // APPBAR_H