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9e831c5001
There is no user of this left, because the device-pixel-ratio is now passed directly to the profile. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
127 lines
3.3 KiB
C++
127 lines
3.3 KiB
C++
// SPDX-License-Identifier: GPL-2.
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#include "qmlprofile.h"
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#include "profilescene.h"
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#include "mobile-widgets/qmlmanager.h"
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#include "core/errorhelper.h"
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#include "core/subsurface-string.h"
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#include "core/metrics.h"
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#include <QTransform>
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#include <QScreen>
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#include <QElapsedTimer>
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const double fontScale = 0.6; // profile looks less cluttered with smaller font
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QMLProfile::QMLProfile(QQuickItem *parent) :
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QQuickPaintedItem(parent),
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m_devicePixelRatio(1.0),
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m_margin(0),
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m_xOffset(0.0),
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m_yOffset(0.0)
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{
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createProfileView();
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setAntialiasing(true);
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setFlags(QQuickItem::ItemClipsChildrenToShape | QQuickItem::ItemHasContents );
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connect(QMLManager::instance(), &QMLManager::sendScreenChanged, this, &QMLProfile::screenChanged);
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connect(this, &QMLProfile::scaleChanged, this, &QMLProfile::triggerUpdate);
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connect(&diveListNotifier, &DiveListNotifier::divesChanged, this, &QMLProfile::divesChanged);
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setDevicePixelRatio(QMLManager::instance()->lastDevicePixelRatio());
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}
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QMLProfile::~QMLProfile()
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{
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}
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void QMLProfile::createProfileView()
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{
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m_profileWidget.reset(new ProfileScene(fontScale * m_devicePixelRatio, true, false));
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}
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// we need this so we can connect update() to the scaleChanged() signal - which the connect above cannot do
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// directly as it chokes on the default parameter for update().
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// If the scale changes we may need to change our offsets to ensure that we still only show a subset of
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// the profile and not empty space around it, which the paint() method below will take care of, which will
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// eventually get called after we call update()
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void QMLProfile::triggerUpdate()
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{
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update();
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}
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void QMLProfile::paint(QPainter *painter)
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{
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QElapsedTimer timer;
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if (verbose)
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timer.start();
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// let's look at the intended size of the content and scale our scene accordingly
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QRect painterRect = painter->viewport();
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if (m_diveId < 0)
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return;
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struct dive *d = get_dive_by_uniq_id(m_diveId);
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if (!d)
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return;
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m_profileWidget->draw(painter, painterRect, d, dc_number, nullptr, false);
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}
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void QMLProfile::setMargin(int margin)
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{
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m_margin = margin;
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}
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int QMLProfile::diveId() const
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{
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return m_diveId;
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}
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void QMLProfile::setDiveId(int diveId)
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{
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m_diveId = diveId;
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}
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qreal QMLProfile::devicePixelRatio() const
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{
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return m_devicePixelRatio;
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}
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void QMLProfile::setDevicePixelRatio(qreal dpr)
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{
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if (dpr != m_devicePixelRatio) {
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m_devicePixelRatio = dpr;
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// Recreate the view to redraw the text items with the new scale.
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createProfileView();
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emit devicePixelRatioChanged();
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}
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}
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// don't update the profile here, have the user update x and y and then manually trigger an update
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void QMLProfile::setXOffset(qreal value)
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{
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if (IS_FP_SAME(value, m_xOffset))
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return;
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m_xOffset = value;
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emit xOffsetChanged();
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}
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// don't update the profile here, have the user update x and y and then manually trigger an update
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void QMLProfile::setYOffset(qreal value)
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{
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if (IS_FP_SAME(value, m_yOffset))
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return;
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m_yOffset = value;
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emit yOffsetChanged();
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}
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void QMLProfile::screenChanged(QScreen *screen)
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{
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setDevicePixelRatio(screen->devicePixelRatio());
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}
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void QMLProfile::divesChanged(const QVector<dive *> &dives, DiveField)
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{
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for (struct dive *d: dives) {
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if (d->id == m_diveId) {
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qDebug() << "dive #" << d->number << "changed, trigger profile update";
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triggerUpdate();
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return;
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}
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}
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}
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