mirror of https://github.com/stenzek/duckstation
Stenzek
1 month ago
parent
f1fe00c1cb
commit
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// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#include "togglebutton.h"
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#include <QtGui/QKeyEvent>
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#include <QtGui/QPainter>
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#include <QtGui/QPainterPath>
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#include <QtWidgets/QStyleOption>
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#include "moc_togglebutton.cpp"
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ToggleButton::ToggleButton(QWidget* parent) : QAbstractButton(parent), m_offset_animation(this, "offset")
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{
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setCheckable(true);
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setCursor(Qt::PointingHandCursor);
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setFocusPolicy(Qt::StrongFocus);
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m_offset_animation.setDuration(150);
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m_offset_animation.setEasingCurve(QEasingCurve::OutCubic);
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}
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ToggleButton::~ToggleButton() = default;
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QSize ToggleButton::sizeHint() const
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{
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return QSize(50, 25);
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}
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void ToggleButton::showEvent(QShowEvent* event)
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{
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QAbstractButton::showEvent(event);
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// Make sure the toggle position matches the current state when first shown
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updateTogglePosition();
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}
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void ToggleButton::resizeEvent(QResizeEvent* event)
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{
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QAbstractButton::resizeEvent(event);
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// Update position when resized since it depends on widget dimensions
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updateTogglePosition();
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}
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void ToggleButton::updateTogglePosition()
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{
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// Immediately set the toggle to the correct position without animation
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if (width() > 0)
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{
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m_offset_animation.stop();
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m_offset = isChecked() ? width() - height() : 0;
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update();
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}
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}
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void ToggleButton::paintEvent(QPaintEvent* event)
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{
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Q_UNUSED(event);
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QPainter painter(this);
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painter.setRenderHint(QPainter::Antialiasing);
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QStyleOption opt;
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opt.initFrom(this);
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// Get colors from the current style
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QColor background_color = isChecked() ? opt.palette.highlight().color() : opt.palette.dark().color();
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QColor thumb_color = opt.palette.light().color();
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if (m_hovered || hasFocus())
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{
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background_color = background_color.lighter(120);
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}
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if (!isEnabled())
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{
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background_color = opt.palette.mid().color();
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thumb_color = opt.palette.midlight().color();
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}
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// Draw background
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const int track_width = width() - 2;
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const int track_height = height() - 2;
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const int corner_radius = track_height / 2;
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QPainterPath path;
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path.addRoundedRect(1, 1, track_width, track_height, corner_radius, corner_radius);
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painter.fillPath(path, background_color);
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// Draw thumb
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const int thumb_size = track_height - 4;
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const int thumb_x = m_offset + 2;
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const int thumb_y = 2;
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QPainterPath thumbPath;
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thumbPath.addEllipse(thumb_x, thumb_y, thumb_size, thumb_size);
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painter.fillPath(thumbPath, thumb_color);
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}
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void ToggleButton::enterEvent(QEnterEvent* event)
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{
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Q_UNUSED(event);
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m_hovered = true;
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update();
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}
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void ToggleButton::leaveEvent(QEvent* event)
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{
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Q_UNUSED(event);
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m_hovered = false;
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update();
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}
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void ToggleButton::checkStateSet()
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{
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QAbstractButton::checkStateSet();
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animateToggle(isChecked());
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}
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void ToggleButton::animateToggle(bool checked)
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{
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m_offset_animation.stop();
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m_offset_animation.setStartValue(m_offset);
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m_offset_animation.setEndValue(checked ? width() - height() : 0);
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m_offset_animation.start();
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}
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void ToggleButton::nextCheckState()
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{
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QAbstractButton::nextCheckState();
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animateToggle(isChecked());
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update();
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}
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void ToggleButton::keyPressEvent(QKeyEvent* event)
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{
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if (event->key() == Qt::Key_Space || event->key() == Qt::Key_Return)
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{
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setChecked(!isChecked());
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event->accept();
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}
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else
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{
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QAbstractButton::keyPressEvent(event);
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}
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}
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int ToggleButton::offset() const
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{
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return m_offset;
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}
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void ToggleButton::setOffset(int value)
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{
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m_offset = value;
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update();
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}
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@ -0,0 +1,46 @@
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// SPDX-FileCopyrightText: 2019-2025 Connor McLaughlin <stenzek@gmail.com>
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// SPDX-License-Identifier: CC-BY-NC-ND-4.0
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#pragma once
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#include <QtCore/QPropertyAnimation>
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#include <QtWidgets/QAbstractButton>
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class ToggleButton : public QAbstractButton
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{
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Q_OBJECT
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Q_PROPERTY(int offset READ offset WRITE setOffset)
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public:
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explicit ToggleButton(QWidget* parent = nullptr);
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~ToggleButton() override;
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QSize sizeHint() const override;
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Q_SIGNALS:
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void checkStateChanged(Qt::CheckState state);
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protected:
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void checkStateSet() override;
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void nextCheckState() override;
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void paintEvent(QPaintEvent* event) override;
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void enterEvent(QEnterEvent* event) override;
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void leaveEvent(QEvent* event) override;
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void keyPressEvent(QKeyEvent* event) override;
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void showEvent(QShowEvent* event) override;
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void resizeEvent(QResizeEvent* event) override;
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private:
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void animateToggle(bool checked);
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void updateTogglePosition();
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int offset() const;
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void setOffset(int value);
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int m_offset = 0;
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bool m_hovered = false;
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QPropertyAnimation m_offset_animation;
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QPropertyAnimation m_background_animation;
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};
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