1fb9f6f13a
The main advantage of SPDX license identifiers over the traditional license headers is that it's more difficult to overlook inappropriate licenses for kwin, for example GPL 3. We also don't have to copy a lot of boilerplate text. In order to create this change, I ran licensedigger -r -c from the toplevel source directory.
150 lines
3.5 KiB
C++
150 lines
3.5 KiB
C++
/* This file is part of the KDE libraries
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SPDX-FileCopyrightText: 2009 Marco Martin <notmart@gmail.com>
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SPDX-License-Identifier: LGPL-2.0-or-later
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*/
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#include "screenpreviewwidget.h"
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#include <QResizeEvent>
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#include <QPaintEvent>
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#include <QPainter>
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#include <QDebug>
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#include <QMimeData>
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#include <Plasma/FrameSvg>
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#include <kurlmimedata.h>
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class ScreenPreviewWidgetPrivate
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{
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public:
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ScreenPreviewWidgetPrivate(ScreenPreviewWidget *screen)
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: q(screen),
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ratio(1)
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{}
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~ScreenPreviewWidgetPrivate()
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{}
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void updateRect(const QRectF& rect)
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{
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q->update(rect.toRect());
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}
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void updateScreenGraphics()
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{
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int bottomElements = screenGraphics->elementSize("base").height() + screenGraphics->marginSize(Plasma::Types::BottomMargin);
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QRect bounds(QPoint(0,0), QSize(q->size().width(), q->height() - bottomElements));
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QSize monitorSize(q->size().width(), q->size().width()/ratio);
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monitorSize.scale(bounds.size(), Qt::KeepAspectRatio);
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if (monitorSize.isEmpty()) {
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return;
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}
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monitorRect = QRect(QPoint(0,0), monitorSize);
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monitorRect.moveCenter(bounds.center());
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screenGraphics->resizeFrame(monitorRect.size());
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previewRect = screenGraphics->contentsRect().toRect();
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previewRect.moveCenter(bounds.center());
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}
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ScreenPreviewWidget *q;
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Plasma::FrameSvg *screenGraphics;
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QPixmap preview;
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QRect monitorRect;
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qreal ratio;
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QRect previewRect;
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};
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ScreenPreviewWidget::ScreenPreviewWidget(QWidget *parent)
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: QWidget(parent),
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d(new ScreenPreviewWidgetPrivate(this))
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{
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d->screenGraphics = new Plasma::FrameSvg(this);
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d->screenGraphics->setImagePath("widgets/monitor");
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d->updateScreenGraphics();
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}
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ScreenPreviewWidget::~ScreenPreviewWidget()
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{
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delete d;
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}
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void ScreenPreviewWidget::setPreview(const QPixmap &preview)
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{
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d->preview = preview;
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update();
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}
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const QPixmap ScreenPreviewWidget::preview() const
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{
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return d->preview;
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}
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void ScreenPreviewWidget::setRatio(const qreal ratio)
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{
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d->ratio = ratio;
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d->updateScreenGraphics();
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}
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qreal ScreenPreviewWidget::ratio() const
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{
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return d->ratio;
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}
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QRect ScreenPreviewWidget::previewRect() const
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{
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return d->previewRect;
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}
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void ScreenPreviewWidget::resizeEvent(QResizeEvent *e)
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{
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Q_UNUSED(e)
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d->updateScreenGraphics();
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}
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void ScreenPreviewWidget::paintEvent(QPaintEvent *event)
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{
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Q_UNUSED(event)
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if (d->monitorRect.size().isEmpty()) {
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return;
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}
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QPainter painter(this);
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QPoint standPosition(d->monitorRect.center().x() - d->screenGraphics->elementSize("base").width()/2, d->previewRect.bottom());
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d->screenGraphics->paint(&painter, QRect(standPosition, d->screenGraphics->elementSize("base")), "base");
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d->screenGraphics->paintFrame(&painter, d->monitorRect.topLeft());
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painter.save();
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if (!d->preview.isNull()) {
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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painter.drawPixmap(d->previewRect, d->preview, d->preview.rect());
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}
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painter.restore();
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d->screenGraphics->paint(&painter, d->previewRect, "glass");
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}
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void ScreenPreviewWidget::dropEvent(QDropEvent *e)
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{
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if (!e->mimeData()->hasUrls())
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return;
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QList<QUrl> uris(KUrlMimeData::urlsFromMimeData(e->mimeData()));
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if (!uris.isEmpty()) {
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// TODO: Download remote file
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if (uris.first().isLocalFile())
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emit imageDropped(uris.first().path());
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}
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}
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#include "moc_screenpreviewwidget.cpp"
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