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a23c3d0bb1
Also, use finer-grained Qt includes instead of the full QtWidgets include. Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
63 lines
2 KiB
C++
63 lines
2 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "desktop-widgets/divepicturewidget.h"
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#include "core/metrics.h"
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#include "core/qthelper.h"
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#include <QDrag>
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#include <QMimeData>
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#include <QMouseEvent>
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#include <QPixmap>
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DivePictureWidget::DivePictureWidget(QWidget *parent) : QListView(parent)
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{
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}
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void DivePictureWidget::mouseDoubleClickEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton) {
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QString filePath = model()->data(indexAt(event->pos()), Qt::DisplayPropertyRole).toString();
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emit photoDoubleClicked(localFilePath(filePath));
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}
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}
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void DivePictureWidget::mousePressEvent(QMouseEvent *event)
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{
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if (event->button() == Qt::LeftButton && event->modifiers() == Qt::NoModifier) {
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QModelIndex index = indexAt(event->pos());
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QString filename = model()->data(index, Qt::DisplayPropertyRole).toString();
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if (!filename.isEmpty()) {
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int dim = lrint(defaultIconMetrics().sz_pic * 0.2);
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QPixmap pixmap = model()->data(indexAt(event->pos()), Qt::DecorationRole).value<QPixmap>();
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pixmap = pixmap.scaled(dim, dim, Qt::KeepAspectRatio);
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QByteArray itemData;
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QDataStream dataStream(&itemData, QIODevice::WriteOnly);
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dataStream << filename;
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QMimeData *mimeData = new QMimeData;
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mimeData->setData("application/x-subsurfaceimagedrop", itemData);
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QDrag *drag = new QDrag(this);
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drag->setMimeData(mimeData);
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drag->setPixmap(pixmap);
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drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction);
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}
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}
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QListView::mousePressEvent(event);
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}
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void DivePictureWidget::wheelEvent(QWheelEvent *event)
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{
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if (event->modifiers() == Qt::ControlModifier) {
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// Angle delta is given in eighth parts of a degree. A classical mouse
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// wheel click is 15 degrees. Each click should correspond to one zoom step.
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// Therefore, divide by 15*8=120. To also support touch pads and finer-grained
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// mouse wheels, take care to always round away from zero.
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int delta = event->angleDelta().y();
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int carry = delta > 0 ? 119 : -119;
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emit zoomLevelChanged((delta + carry) / 120);
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} else
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QListView::wheelEvent(event);
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}
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