implement basic Toggle and Thumb painters

components/slider.h

@@ -57,7 +57,7 @@ protected:
     void resizeEvent(QResizeEvent *event) Q_DECL_OVERRIDE;
 
 private:
-    inline bool isOnTrack(int p, int x) const { return (p >= x-2 && p < x+2); }
+    inline bool isOnTrack(int p, int x) const { return (p >= x-2 && p <= x+2); }
 
     bool            _drag;
     Handle   *const _handle;

components/toggle.cpp

@@ -1,30 +1,52 @@
 #include <QAbstractButton>
+#include <QEvent>
 #include <QDebug>
 #include <QPainter>
 #include "toggle.h"
 #include "../lib/rippleoverlay.h"
 #include "../lib/customshadoweffect.h"
 
-Thumb::Thumb(QWidget *parent)
+Thumb::Thumb(Toggle *parent)
     : QWidget(parent)
 {
+    parent->installEventFilter(this);
 }
 
 Thumb::~Thumb()
 {
 }
 
+bool Thumb::eventFilter(QObject *obj, QEvent *event)
+{
+    const QEvent::Type type = event->type();
+    if (QEvent::Resize == type || QEvent::Move == type) {
+        setGeometry(parentWidget()->rect());
+    }
+    return QWidget::eventFilter(obj, event);
+}
+
 void Thumb::paintEvent(QPaintEvent *event)
 {
     Q_UNUSED(event)
 
-    QPainter painter(this);
+    qDebug() << rect();
 
-    painter.drawRect(rect());
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+
+//    QPen pen;
+//    pen.setColor(Qt::red);
+//    painter.setPen(pen);
+
+    QBrush brush;
+    brush.setStyle(Qt::SolidPattern);
+    brush.setColor(QColor(120, 120, 120));
+
+    painter.setBrush(brush);
+    painter.setPen(Qt::NoPen);
 
     const int d = qMin(width(), height());
-
+    painter.drawEllipse(0, 0, d, d);
-    painter.drawEllipse(d, d, d/2, d/2);
 }
 
 Toggle::Toggle(QWidget *parent)
@@ -32,8 +54,8 @@ Toggle::Toggle(QWidget *parent)
       _overlay(new RippleOverlay(this)),
       _thumb(new Thumb(this))
 {
-    CustomShadowEffect *effect = new CustomShadowEffect;
+//    CustomShadowEffect *effect = new CustomShadowEffect;
-    _thumb->setGraphicsEffect(effect);
+//    _thumb->setGraphicsEffect(effect);
 }
 
 Toggle::~Toggle()
@@ -45,9 +67,6 @@ void Toggle::paintEvent(QPaintEvent *event)
     Q_UNUSED(event)
 
     QPainter painter(this);
-
-    painter.drawRect(rect().adjusted(0, 0, -1, -1));
-
     painter.setRenderHint(QPainter::Antialiasing);
 
     const int h = height()/2;
@@ -59,5 +78,5 @@ void Toggle::paintEvent(QPaintEvent *event)
 
     painter.setPen(Qt::NoPen);
 
-    painter.drawRoundedRect(QRect(0, h-h/2, width(), h+h/2), h, h);
+    painter.drawRoundedRect(QRect(0, h-h/2, width(), h), h/2, h/2);
 }

components/toggle.h

@@ -4,16 +4,18 @@
 #include <QAbstractButton>
 
 class RippleOverlay;
+class Toggle;
 
 class Thumb : public QWidget
 {
     Q_OBJECT
 
 public:
-    explicit Thumb(QWidget *parent = 0);
+    explicit Thumb(Toggle *parent);
     ~Thumb();
 
 protected:
+    bool eventFilter(QObject *obj, QEvent *event) Q_DECL_OVERRIDE;
     void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
 };