diff options
| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2023-06-02 11:40:08 +0200 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2023-06-05 19:13:33 +0200 |
| commit | a3dde7c93eb7325d07d2985cadc0efca1aa978aa (patch) | |
| tree | d670f945127857e23fc527091590233c10884d90 /tests/manual/examples/blurpicker/blurpicker.cpp | |
| parent | e0ec19de415a06bf6a0c401175f1c1908dfde68f (diff) | |
Move widgets blurpicker example to manual test
Change-Id: I7e19b84ac4b6a8e380fc9a7dcc37cc08ced89b4b
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@qt.io>
Diffstat (limited to 'tests/manual/examples/blurpicker/blurpicker.cpp')
| -rw-r--r-- | tests/manual/examples/blurpicker/blurpicker.cpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tests/manual/examples/blurpicker/blurpicker.cpp b/tests/manual/examples/blurpicker/blurpicker.cpp new file mode 100644 index 00000000000..00269c8fe39 --- /dev/null +++ b/tests/manual/examples/blurpicker/blurpicker.cpp @@ -0,0 +1,122 @@ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause + +#include "blurpicker.h" + +#include <QtWidgets> +#include <QtCore/qmath.h> +#include <qmath.h> +#include "blureffect.h" + +BlurPicker::BlurPicker(QWidget *parent): QGraphicsView(parent), m_index(0.0), m_animation(this, "index") +{ + setBackgroundBrush(QPixmap(":/images/background.jpg")); + setScene(new QGraphicsScene(this)); + + setupScene(); + setIndex(0); + + m_animation.setDuration(400); + m_animation.setEasingCurve(QEasingCurve::InOutSine); + + setRenderHint(QPainter::Antialiasing, true); + setFrameStyle(QFrame::NoFrame); +} + +qreal BlurPicker::index() const +{ + return m_index; +} + +void BlurPicker::setIndex(qreal index) +{ + m_index = index; + + qreal baseline = 0; + const qreal iconAngle = 2 * M_PI / m_icons.count(); + for (int i = 0; i < m_icons.count(); ++i) { + QGraphicsItem *icon = m_icons[i]; + qreal a = (i + m_index) * iconAngle; + qreal xs = 170 * qSin(a); + qreal ys = 100 * qCos(a); + QPointF pos(xs, ys); + pos = QTransform().rotate(-20).map(pos); + pos -= QPointF(40, 40); + icon->setPos(pos); + baseline = qMax(baseline, ys); + static_cast<BlurEffect *>(icon->graphicsEffect())->setBaseLine(baseline); + } + + scene()->update(); +} + +void BlurPicker::setupScene() +{ + scene()->setSceneRect(-200, -120, 400, 240); + + QStringList names; + names << ":/images/accessories-calculator.png"; + names << ":/images/accessories-text-editor.png"; + names << ":/images/help-browser.png"; + names << ":/images/internet-group-chat.png"; + names << ":/images/internet-mail.png"; + names << ":/images/internet-web-browser.png"; + names << ":/images/office-calendar.png"; + names << ":/images/system-users.png"; + + for (int i = 0; i < names.count(); i++) { + QPixmap pixmap(names[i]); + QGraphicsPixmapItem *icon = scene()->addPixmap(pixmap); + icon->setZValue(1); + icon->setGraphicsEffect(new BlurEffect(icon)); + m_icons << icon; + } + + QGraphicsPixmapItem *bg = scene()->addPixmap(QPixmap(":/images/background.jpg")); + bg->setZValue(0); + bg->setPos(-200, -150); +} + +void BlurPicker::keyPressEvent(QKeyEvent *event) +{ + int delta = 0; + switch (event->key()) + { + case Qt::Key_Left: + delta = -1; + break; + case Qt::Key_Right: + delta = 1; + break; + default: + break; + } + if (m_animation.state() == QAbstractAnimation::Stopped && delta) { + m_animation.setEndValue(m_index + delta); + m_animation.start(); + event->accept(); + } +} + +void BlurPicker::resizeEvent(QResizeEvent * /* event */) +{ +} + +void BlurPicker::mousePressEvent(QMouseEvent *event) +{ + int delta = 0; + if (event->position().x() > (width() / 2)) + { + delta = 1; + } + else + { + delta = -1; + } + + if (m_animation.state() == QAbstractAnimation::Stopped && delta) { + m_animation.setEndValue(m_index + delta); + m_animation.start(); + event->accept(); + } +} |