add showHalo property to Flat Button

components/flatbutton.cpp

@@ -15,6 +15,7 @@ FlatButtonPrivate::FlatButtonPrivate(FlatButton *q)
       cornerRadius(3),
       bgMode(Qt::TransparentMode),
       useThemeColors(true),
+      showHalo(true),
       peakOpacity(0.15)
 {
 }
@@ -234,6 +235,21 @@ bool FlatButton::useThemeColors() const
     return d->useThemeColors;
 }
 
+void FlatButton::setShowHalo(bool state)
+{
+    Q_D(FlatButton);
+
+    d->showHalo = state;
+    update();
+}
+
+bool FlatButton::showHalo() const
+{
+    Q_D(const FlatButton);
+
+    return d->showHalo;
+}
+
 FlatButton::FlatButton(FlatButtonPrivate &d, QWidget *parent)
     : QPushButton(parent),
       d_ptr(&d)
@@ -259,9 +275,6 @@ void FlatButton::paintEvent(QPaintEvent *event)
     Q_D(FlatButton);
 
     const qreal bgOpacity = d->delegate->backgroundOpacity();
-    const qreal haloOpacity = d->delegate->haloOpacity();
-    const qreal s = d->delegate->haloScaleFactor()*d->delegate->haloSize()*0.7;
-    const qreal hs = static_cast<qreal>(width())*s;
     const qreal cr = d->cornerRadius;
 
     QPainter painter(this);
@@ -287,16 +300,7 @@ void FlatButton::paintEvent(QPaintEvent *event)
         painter.drawRoundedRect(rect(), cr, cr);
     }
 
-    if (isEnabled() && haloOpacity > 0) {
-        QBrush brush;
-        brush.setStyle(Qt::SolidPattern);
-        brush.setColor(palette().color(QPalette::Active, QPalette::ButtonText));
-        painter.setOpacity(haloOpacity);
-        painter.setBrush(brush);
-        painter.setPen(Qt::NoPen);
-        QPointF center = rect().center();
-        painter.drawEllipse(center, hs, hs);
-    }
+    paintHalo(&painter);
 
     QStylePainter style(this);
 
@@ -337,3 +341,26 @@ void FlatButton::mousePressEvent(QMouseEvent *event)
 
     QPushButton::mousePressEvent(event);
 }
+
+void FlatButton::paintHalo(QPainter *painter)
+{
+    Q_D(FlatButton);
+
+    if (!d->showHalo)
+        return;
+
+    const qreal haloOpacity = d->delegate->haloOpacity();
+    const qreal s = d->delegate->haloScaleFactor()*d->delegate->haloSize()*0.7;
+    const qreal hs = static_cast<qreal>(width())*s;
+
+    if (isEnabled() && haloOpacity > 0) {
+        QBrush brush;
+        brush.setStyle(Qt::SolidPattern);
+        brush.setColor(palette().color(QPalette::Active, QPalette::ButtonText));
+        painter->setOpacity(haloOpacity);
+        painter->setBrush(brush);
+        painter->setPen(Qt::NoPen);
+        QPointF center = rect().center();
+        painter->drawEllipse(center, hs, hs);
+    }
+}

components/flatbutton.h

@@ -31,6 +31,9 @@ public:
     void setUseThemeColors(bool value);
     bool useThemeColors() const;
 
+    void setShowHalo(bool state);
+    bool showHalo() const;
+
     void setRippleStyle(Material::RippleStyle style);
     Material::RippleStyle rippleStyle() const;
 
@@ -59,6 +62,8 @@ protected:
     void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
     void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
 
+    void paintHalo(QPainter *painter);
+
     const QScopedPointer<FlatButtonPrivate> d_ptr;
 
 private:

components/flatbutton_internal.cpp

@@ -44,9 +44,10 @@ FlatButtonDelegate::FlatButtonDelegate(FlatButton *parent)
     addTransition(button, QEvent::Leave, _pressedState, _normalFocusedState);
     addTransition(button, QEvent::FocusOut, _pressedState, _hoveredState);
 
+    _normalState->assignProperty(this, "haloSize", 0);
     _normalFocusedState->assignProperty(this, "haloSize", 0.7);
-    _normalState->assignProperty(this, "haloSize", 1);
-    _hoveredState->assignProperty(this, "haloSize", 1);
+    _hoveredState->assignProperty(this, "haloSize", 0);
+    _pressedState->assignProperty(this, "haloSize", 4);
     _hoveredFocusedState->assignProperty(this, "haloSize", 0.7);
 
     //
@@ -213,11 +214,12 @@ void FlatButtonDelegate::addTransition(QAbstractTransition *transition,
     transition->addAnimation(animation);
 
     animation = new QPropertyAnimation(this, "haloOpacity");
-    animation->setDuration(350);
+    animation->setDuration(170);
     transition->addAnimation(animation);
 
     animation = new QPropertyAnimation(this, "haloSize");
     animation->setDuration(350);
+    animation->setEasingCurve(QEasingCurve::OutCubic);
     transition->addAnimation(animation);
 
     fromState->addTransition(transition);

components/flatbutton_p.h

@@ -31,6 +31,7 @@ public:
     QColor                backgroundColor;
     QColor                disabledTextColor;
     bool                  useThemeColors;
+    bool                  showHalo;
     qreal                 peakOpacity;
 };
 

components/tabs.cpp

@@ -10,7 +10,8 @@
 TabsPrivate::TabsPrivate(Tabs *q)
     : q_ptr(q),
       tab(-1),
-      useThemeColors(true)
+      useThemeColors(true),
+      showHalo(false)
 {
 }
 
@@ -51,6 +52,28 @@ bool Tabs::useThemeColors() const
     return d->useThemeColors;
 }
 
+void Tabs::setShowHalo(bool state)
+{
+    Q_D(Tabs);
+
+    d->showHalo = state;
+
+    Tab *tab;
+    for (int i = 0; i < d->tabLayout->count(); ++i) {
+        QLayoutItem *item = d->tabLayout->itemAt(i);
+        if ((tab = static_cast<Tab *>(item->widget()))) {
+            tab->setShowHalo(state);
+        }
+    }
+}
+
+bool Tabs::showHalo() const
+{
+    Q_D(const Tabs);
+
+    return d->showHalo;
+}
+
 void Tabs::setInkColor(const QColor &color)
 {
     Q_D(Tabs);
@@ -212,6 +235,7 @@ Tab *Tabs::createTab(const QString &text)
     tab->setRole(Material::Primary);
     tab->setBackgroundMode(Qt::OpaqueMode);
     tab->setPeakOpacity(0.25);
+    tab->setShowHalo(d->showHalo);
 
     d->tabLayout->addWidget(tab);
 

components/tabs.h

@@ -22,6 +22,9 @@ public:
     void setUseThemeColors(bool value);
     bool useThemeColors() const;
 
+    void setShowHalo(bool state);
+    bool showHalo() const;
+
     void setInkColor(const QColor &color);
     QColor inkColor() const;
 

components/tabs_internal.cpp

@@ -87,13 +87,17 @@ void TabsInkBar::paintEvent(QPaintEvent *event)
 }
 
 Tab::Tab(QWidget *parent)
-    : FlatButton(parent)
+    : FlatButton(parent),
+      _active(false)
+//      _showHalo(true)
 {
     init();
 }
 
 Tab::Tab(QString text, QWidget *parent)
-    : FlatButton(parent)
+    : FlatButton(parent),
+      _active(false)
+//      _showHalo(true)
 {
     init();
 
@@ -117,8 +121,6 @@ void Tab::paintEvent(QPaintEvent *event)
 {
     Q_UNUSED(event)
 
-    //FlatButton::paintEvent(event);
-
     QPainter painter(this);
     painter.setRenderHint(QPainter::Antialiasing);
 
@@ -130,6 +132,8 @@ void Tab::paintEvent(QPaintEvent *event)
     painter.setPen(Qt::NoPen);
     painter.drawRect(rect());
 
+    paintHalo(&painter);
+
     QStylePainter style(this);
 
     if (!icon().isNull()) {

components/tabs_p.h

@@ -26,6 +26,7 @@ public:
     QColor       textColor;
     int          tab;
     bool         useThemeColors;
+    bool         showHalo;
 };
 
 #endif // TABS_P_H