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