add basic FAB painting

components/fab.cpp

@@ -1,10 +1,76 @@
 #include "fab.h"
+#include <QPainter>
+#include <QDebug>
+#include "fab_p.h"
+
+FloatingActionButtonPrivate::FloatingActionButtonPrivate(FloatingActionButton *q)
+    : RaisedButtonPrivate(q),
+      mini(false)
+{
+}
+
+FloatingActionButtonPrivate::~FloatingActionButtonPrivate()
+{
+}
+
+void FloatingActionButtonPrivate::init()
+{
+    Q_Q(FloatingActionButton);
+
+    q->setRole(Material::Primary);
+}
 
 FloatingActionButton::FloatingActionButton(QWidget *parent)
     : RaisedButton(parent)
 {
+    d_func()->init();
 }
 
 FloatingActionButton::~FloatingActionButton()
 {
 }
+
+QSize FloatingActionButton::sizeHint() const
+{
+    Q_D(const FloatingActionButton);
+
+    if (d->mini) {
+        return QSize(40, 40);
+    }
+    return QSize(56, 56);
+}
+
+void FloatingActionButton::setMini(bool state)
+{
+    Q_D(FloatingActionButton);
+
+    d->mini = state;
+}
+
+bool FloatingActionButton::isMini() const
+{
+    Q_D(const FloatingActionButton);
+
+    return d->mini;
+}
+
+void FloatingActionButton::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event)
+
+    int s = qMin(width(), height());
+    QRect square = QRect(0, 0, s, s);
+    square.moveCenter(rect().center());
+
+    QPainter painter(this);
+    painter.setRenderHints(QPainter::Antialiasing);
+
+    QBrush brush;
+    brush.setStyle(Qt::SolidPattern);
+    brush.setColor(isEnabled()
+       ? backgroundColor() : palette().color(QPalette::Disabled, QPalette::Background));
+    painter.setBrush(brush);
+    painter.setPen(Qt::NoPen);
+
+    painter.drawEllipse(square);
+}

components/fab.h

@@ -3,6 +3,8 @@
 
 #include "raisedbutton.h"
 
+class FloatingActionButtonPrivate;
+
 class FloatingActionButton : public RaisedButton
 {
     Q_OBJECT
@@ -11,6 +13,14 @@ public:
     explicit FloatingActionButton(QWidget *parent = 0);
     ~FloatingActionButton();
 
+    QSize sizeHint() const Q_DECL_OVERRIDE;
+
+    void setMini(bool state);
+    bool isMini() const;
+
+protected:
+    void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
+
 private:
     Q_DISABLE_COPY(FloatingActionButton)
     Q_DECLARE_PRIVATE(FloatingActionButton)

components/fab_p.h

@@ -9,18 +9,12 @@ class FloatingActionButtonPrivate : public RaisedButtonPrivate
     Q_DECLARE_PUBLIC(FloatingActionButton)
 
 public:
-    FloatingActionButtonPrivate(FloatingActionButton *q)
-        : RaisedButtonPrivate(q)
-    {
-    }
+    FloatingActionButtonPrivate(FloatingActionButton *q);
+    ~FloatingActionButtonPrivate();
 
-    ~FloatingActionButtonPrivate()
-    {
-    }
+    void init();
 
-    void init()
-    {
-    }
+    bool mini;
 };
 
 #endif // FAB_P_H

examples/flatbuttonexamples.cpp

@@ -4,6 +4,7 @@
 #include "flatbuttonexamples.h"
 #include "lib/style.h"
 #include "components/flatbutton.h"
+#include "components/fab.h"
 #include "exampleview.h"
 #include "frame.h"
 
@@ -196,6 +197,26 @@ FlatButtonExamples::FlatButtonExamples(QWidget *parent)
         );
         frame->setWidget(view);
 
+        layout->addWidget(frame);
+    }
+    {
+        //QPushButton *flatButton = new QPushButton;
+        //flatButton->setText("Press me!");
+        //flatButton->setIcon(QIcon("../qt-material-widgets/face.svg"));
+        //flatButton->setMinimumSize(200, 50);
+        //flatButton->setCheckable(true);
+
+        FloatingActionButton *button = new FloatingActionButton;
+
+        ExampleView *view = new ExampleView;
+        view->setWidget(button);
+
+        Frame *frame = new Frame;
+        frame->setCodeSnippet(
+                    ""
+        );
+        frame->setWidget(view);
+
         layout->addWidget(frame);
     }
 }