Added smile

bctoggleswitch.cpp

@@ -0,0 +1,122 @@
+
+#include <QPainter>
+#include <QPropertyAnimation>
+#include <QEasingCurve>
+#include <QEnterEvent>
+#include <QEvent>
+
+#include <bctoggleswitch.h>
+
+
+
+
+BCToggleSwitch::BCToggleSwitch(QWidget *parent)
+  : QAbstractButton(parent)
+  , m_position(0.0f)
+{
+  setCheckable(true);
+  setCursor(Qt::PointingHandCursor);
+  setFixedSize(44, 22); // Standardgröße
+
+  // Animation initialisieren
+  m_animation = new QPropertyAnimation(this, "position", this);
+  m_animation->setDuration(200);
+  m_animation->setEasingCurve(QEasingCurve::OutQuad);
+
+  // Signal verknüpfen
+  connect(this, &QAbstractButton::toggled, this, [this](bool checked){
+    m_animation->stop();
+    m_animation->setStartValue(m_position);
+    m_animation->setEndValue(checked ? 1.0f : 0.0f);
+    m_animation->start();
+  });
+}
+
+float BCToggleSwitch::position() const
+{
+  return m_position;
+}
+
+void BCToggleSwitch::setPosition(float pos) {
+  m_position = pos;
+  update(); // Trigger Repaint
+}
+
+QSize BCToggleSwitch::sizeHint() const
+{
+  return QSize(44, 22);
+}
+
+void BCToggleSwitch::paintEvent(QPaintEvent *)
+{
+  QPainter p(this);
+  p.setRenderHint(QPainter::Antialiasing);
+
+  // --- Farben ---
+  // Tipp: In einem echten Projekt diese Farben als const statics
+  // oder aus der QPalette laden.
+  QColor offBorderColor = QColor("#8D8D8D");
+  QColor offKnobColor   = QColor("#5D5D5D");
+  QColor onColor        = QColor("#0078D4"); // Fluent Blue
+  QColor white          = Qt::white;
+
+  QRectF rect = this->rect();
+  qreal radius = rect.height() / 2.0;
+
+  // 1. Hintergrund (Track) zeichnen
+  p.setPen(Qt::NoPen);
+
+  if (isChecked() || m_position > 0.5f)
+  {
+    // AN-Zustand: Hintergrund gefüllt
+    p.setBrush(onColor);
+    p.drawRoundedRect(rect, radius, radius);
+  }
+  else
+  {
+    // AUS-Zustand: Nur Rahmen
+    p.setBrush(Qt::NoBrush);
+
+    // Hover-Status prüfen
+    if (underMouse())
+      p.setPen(QPen(offBorderColor.darker(120), 1.5));
+    else
+      p.setPen(QPen(offBorderColor, 1.5));
+
+    // Rechteck etwas verkleinern, damit der Rahmen nicht abgeschnitten wird
+    p.drawRoundedRect(rect.adjusted(1, 1, -1, -1), radius - 1, radius - 1);
+  }
+
+  // 2. Knopf (Thumb) zeichnen
+  qreal padding = 3.0;
+  qreal knobDiameter = rect.height() - (2 * padding);
+
+  // Interpolation der Position
+  qreal startX = padding;
+  qreal endX = rect.width() - knobDiameter - padding;
+  qreal currentX = startX + (m_position * (endX - startX));
+
+  QRectF knobRect(currentX, padding, knobDiameter, knobDiameter);
+
+  if (isChecked() || m_position > 0.5f) {
+    p.setBrush(white);
+  } else {
+    if (underMouse()) p.setBrush(offKnobColor.darker(110));
+    else              p.setBrush(offKnobColor);
+  }
+
+  p.setPen(Qt::NoPen);
+  p.drawEllipse(knobRect);
+}
+
+void BCToggleSwitch::enterEvent(QEnterEvent *event)
+{
+  update(); // Für Hover-Effekt neu zeichnen
+  QAbstractButton::enterEvent(event);
+}
+
+void BCToggleSwitch::leaveEvent(QEvent *event)
+{
+  update(); // Hover entfernen
+  QAbstractButton::leaveEvent(event);
+}